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Robert Koch. Portrait of the German Nobel prizewinning microbiologist and physician, Heinrich Hermann Robert Koch (1843-1910), 1907 Stock Photo

RM2F2C1BX–Robert Koch. Portrait of the German Nobel prizewinning microbiologist and physician, Heinrich Hermann Robert Koch (1843-1910), 1907

Joseph Anton Koch - Oedipus and Antigone Leave Thebes - 1797 Stock Photo

RMFPTNCT–Joseph Anton Koch - Oedipus and Antigone Leave Thebes - 1797

Athletics - Seoul Olympic Games - Women's Javelin. Beate Koch, East Germany Stock Photo

RMGB7257–Athletics - Seoul Olympic Games - Women's Javelin. Beate Koch, East Germany

Joseph Anton Koch Austrian school Macbeth and the Witches 1834-1835 Oil on canvas (114 x 155.2 cm) Basel, Kunstmuseum Stock Photo

RMGG2GR9–Joseph Anton Koch Austrian school Macbeth and the Witches 1834-1835 Oil on canvas (114 x 155.2 cm) Basel, Kunstmuseum

Robert Koch, Robert Heinrich Hermann Koch, German physician and pioneering microbiologist. Stock Photo

RMKFAP73–Robert Koch, Robert Heinrich Hermann Koch, German physician and pioneering microbiologist.

Robert Koch, German Bacteriologist Stock Photo

RM2BDYCFP–Robert Koch, German Bacteriologist

Spitzer and Lasalle & Koch Buildings. Toledo. 1924 Stock Photo

RMMM22FA–Spitzer and Lasalle & Koch Buildings. Toledo. 1924

RMGDGWMJ–Architect Carl Koch

RMD87GPT–ROBERT KOCH

A Heckler & Koch G36 C (5.56mm x 45 NATO calibre gas operated assault rifle) favoured by British law enforcement (Police). It has the dimensions of a submachine gun combined with the penetration capability of the 5.56 NATO calibre. Stock Photo

RMEN33H5–A Heckler & Koch G36 C (5.56mm x 45 NATO calibre gas operated assault rifle) favoured by British law enforcement (Police). It has the dimensions of a submachine gun combined with the penetration capability of the 5.56 NATO calibre.

RMCPHWMH–Erich Koch, 1941

Joseph Anton Koch, Heroic Landscape with Rainbow, painting in oil on wood, 1805 Stock Photo

RM2PFFH30–Joseph Anton Koch, Heroic Landscape with Rainbow, painting in oil on wood, 1805

(L-R) NYC Mayor Ed Koch, Grete Waitz, Fred Lebow, President NY Road Runner's Club at the 1981 L'egg Mini Marathon. Stock Photo

RMC2X2MH–(L-R) NYC Mayor Ed Koch, Grete Waitz, Fred Lebow, President NY Road Runner's Club at the 1981 L'egg Mini Marathon.

German physician Robert Koch (1843 - 1910) - winner of the Nobel Prize in Physiology or Medicine in 1905 for his research relating to tuberculosis. Stock Photo

RMC1CA89–German physician Robert Koch (1843 - 1910) - winner of the Nobel Prize in Physiology or Medicine in 1905 for his research relating to tuberculosis.

Robert Koch (1843-1910) a German physician working in his laboratory. Dated 19th Century Stock Photo

RMHHEJP7–Robert Koch (1843-1910) a German physician working in his laboratory. Dated 19th Century

114 feet long skeleton of fake sea serpent Hydrarchos harlani put on show in New York and Boston in 1845 by Albert C. Koch. Stock Photo

RMBTC3P8–114 feet long skeleton of fake sea serpent Hydrarchos harlani put on show in New York and Boston in 1845 by Albert C. Koch.

Koch, Esther Charlotte, Additional-Rights-Clearance-Info-Not-Available Stock Photo

RMTTFECK–Koch, Esther Charlotte, Additional-Rights-Clearance-Info-Not-Available

ROBERT KOCH (1843-1910) German physician and microbiologist Stock Photo

RM2B3T7D3–ROBERT KOCH (1843-1910) German physician and microbiologist

Dutch writer and actor Herman Koch appears at the Edinburgh International Book Festival. Stock Photo

RME97M1F–Dutch writer and actor Herman Koch appears at the Edinburgh International Book Festival.

Robert Koch. Portrait of the German Nobel prizewinning microbiologist and physician, Heinrich Hermann Robert Koch (1843-1910), lithograph, 1887 Stock Photo

RM2F2C1C6–Robert Koch. Portrait of the German Nobel prizewinning microbiologist and physician, Heinrich Hermann Robert Koch (1843-1910), lithograph, 1887

Joseph Anton Koch - Serpentara Landscape with the Procession of the Magi - Museum Kunstpalast, Düsseldorf Stock Photo

RMG2GG68–Joseph Anton Koch - Serpentara Landscape with the Procession of the Magi - Museum Kunstpalast, Düsseldorf

'Koch', c1893. Artist: Unknown. Stock Photo

RMMPNMK4–'Koch', c1893. Artist: Unknown.

Robert Koch, der Bekämpfer des Todes Year : 1939 Director :Hans Steinhoff Werner Krauss, Emil Jannings Stock Photo

RMBKB40K–Robert Koch, der Bekämpfer des Todes Year : 1939 Director :Hans Steinhoff Werner Krauss, Emil Jannings

RMKFAP6E–Robert Koch, Robert Heinrich Hermann Koch, German physician and pioneering microbiologist.

RMHRNMET–Robert Koch, German Bacteriologist

EFFI (2009) SEBASTIAN KOCH HERMINE HUNTGRBURTH (DIR) EFI 002 Stock Photo

RMBJP5CH–EFFI (2009) SEBASTIAN KOCH HERMINE HUNTGRBURTH (DIR) EFI 002

RMGDGWMH–Architect Carl Koch

RMD87GPB–ROBERT KOCH

RMEN33HA–A Heckler & Koch G36 C (5.56mm x 45 NATO calibre gas operated assault rifle) favoured by British law enforcement (Police). It has the dimensions of a submachine gun combined with the penetration capability of the 5.56 NATO calibre.

RMCPMF9R–Erich Koch, 1944

Macbeth and the Witches, painting in oil on canvas by Joseph Anton Koch, 1829-1830 Stock Photo

RM2JN51J0–Macbeth and the Witches, painting in oil on canvas by Joseph Anton Koch, 1829-1830

Mayor Edward Koch is inaugurated Stock Photo

RME1199E–Mayor Edward Koch is inaugurated

Houston, United States. 28 March, 2023.  NASA Astronaut Christina Hammock Koch and Artemis II crew member poses in the bright orange Orion Crew Survival System suit at the Johnson Space Center, March 28, 2023 in Houston, Texas. Koch was selected as a flight engineer for the Artemis II mission to the Moon. Credit: Robert Markowitz/NASA/Alamy Live News Stock Photo

RM2PNTRB7–Houston, United States. 28 March, 2023.  NASA Astronaut Christina Hammock Koch and Artemis II crew member poses in the bright orange Orion Crew Survival System suit at the Johnson Space Center, March 28, 2023 in Houston, Texas. Koch was selected as a flight engineer for the Artemis II mission to the Moon. Credit: Robert Markowitz/NASA/Alamy Live News

Robert Koch (1843-1910) German bacteriologist and physician. Tubercule bacillus: Tuberculin: Cholera bacillus: Nobel prize for physiology and medicine 1905. Stock Photo

RMD9658K–Robert Koch (1843-1910) German bacteriologist and physician. Tubercule bacillus: Tuberculin: Cholera bacillus: Nobel prize for physiology and medicine 1905.

The Schmadribach Waterfall, Koch, Joseph Anton, 1822. Stock Photo

RMM6JPRX–The Schmadribach Waterfall, Koch, Joseph Anton, 1822.

Koch, Marianne, * 19.8.1931, German actress, portrait, mid 1960s, ADDITIONAL-RIGHTS-CLEARANCE-INFO-NOT-AVAILABLE Stock Photo

RM2FNM97C–Koch, Marianne, * 19.8.1931, German actress, portrait, mid 1960s, ADDITIONAL-RIGHTS-CLEARANCE-INFO-NOT-AVAILABLE

RM2AFMDEE–ROBERT KOCH (1843-1910) German physician and microbiologist

RME97M1M–Dutch writer and actor Herman Koch appears at the Edinburgh International Book Festival.

Robert Koch. Portrait of the German Nobel prizewinning microbiologist and physician, Heinrich Hermann Robert Koch (1843-1910), c.1895-1910 Stock Photo

RM2F2C1C4–Robert Koch. Portrait of the German Nobel prizewinning microbiologist and physician, Heinrich Hermann Robert Koch (1843-1910), c.1895-1910

Joseph Anton Koch - Heroic Landscape with Rainbow - 1824 - MET Museum - New-York Stock Photo

RME3PFF0–Joseph Anton Koch - Heroic Landscape with Rainbow - 1824 - MET Museum - New-York

East German athlete Marita Koch, 1987 Stock Photo

RF2R0NJ10–East German athlete Marita Koch, 1987

Robert Koch (1843-1910). German physician. Engraving. Stock Photo

RMCEWRDC–Robert Koch (1843-1910). German physician. Engraving.

RMKFAP5M–Robert Koch, Robert Heinrich Hermann Koch, German physician and pioneering microbiologist.

RMHRP0RW–Robert Koch, German Bacteriologist

EFFI (2009) SEBASTIAN KOCH HERMINE HUNTGEBURTH (DIR) EFI 005 Stock Photo

RMBJP5D1–EFFI (2009) SEBASTIAN KOCH HERMINE HUNTGEBURTH (DIR) EFI 005

RMGDGWMN–Architect Carl Koch

RMG387EP–ROBERT KOCH

RMEN33HN–A Heckler & Koch G36 C (5.56mm x 45 NATO calibre gas operated assault rifle) favoured by British law enforcement (Police). It has the dimensions of a submachine gun combined with the penetration capability of the 5.56 NATO calibre.

RMCPMPKM–Erich Koch, 1933

Macbeth and the Witches, 1829/1830 by Joseph Anton Koch 1768-1839 ( William Shakespeare's Macbeth ) Austria, Austrian, Neoclassicism, German Romantic movement, he is perhaps the most significant, neoclassical landscape painter Stock Photo

RM2M7GFRH–Macbeth and the Witches, 1829/1830 by Joseph Anton Koch 1768-1839 ( William Shakespeare's Macbeth ) Austria, Austrian, Neoclassicism, German Romantic movement, he is perhaps the most significant, neoclassical landscape painter

Edward Koch is nominated for mayor Stock Photo

RME1198Y–Edward Koch is nominated for mayor

Houston, United States. 30 March, 2023.  NASA Astronaut Christina Hammock Koch and Artemis II crew member poses in the bright orange Orion Crew Survival System suit at the Johnson Space Center, March 28, 2023 in Houston, Texas. Koch was selected as a flight engineer for the Artemis II mission to the Moon. Credit: Robert Markowitz/NASA/Alamy Live News Stock Photo

RM2PNTRBG–Houston, United States. 30 March, 2023.  NASA Astronaut Christina Hammock Koch and Artemis II crew member poses in the bright orange Orion Crew Survival System suit at the Johnson Space Center, March 28, 2023 in Houston, Texas. Koch was selected as a flight engineer for the Artemis II mission to the Moon. Credit: Robert Markowitz/NASA/Alamy Live News

medal showing Robert Koch (1843 – 1910); German physician and microbiologist. As the founder of modern bacteriology, he identified the specific causative agents of tuberculosis, cholera, and anthrax and gave experimental support for the concept of infectious disease Stock Photo

RMRJN57H–medal showing Robert Koch (1843 – 1910); German physician and microbiologist. As the founder of modern bacteriology, he identified the specific causative agents of tuberculosis, cholera, and anthrax and gave experimental support for the concept of infectious disease

Hunger ist der beste Koch. photograph dated 1898 by Myra Albert Wiggins, 1869-1956;shows a little girl, wearing a cap and wooden shoes, seated on a high chair at a wooden table, eating from a bowl. Stock Photo

RMTXGH6F–Hunger ist der beste Koch. photograph dated 1898 by Myra Albert Wiggins, 1869-1956;shows a little girl, wearing a cap and wooden shoes, seated on a high chair at a wooden table, eating from a bowl.

Koch, Daniel, 1645 - 1723, German lawyer/jurist, portrait, copper engraving by Andreas Matthaeus Wolfgang (1660 - 1736), after painting by Tobias Laub (1685 - 1761), 1720, Artist's Copyright has not to be cleared Stock Photo

RMRRM8EF–Koch, Daniel, 1645 - 1723, German lawyer/jurist, portrait, copper engraving by Andreas Matthaeus Wolfgang (1660 - 1736), after painting by Tobias Laub (1685 - 1761), 1720, Artist's Copyright has not to be cleared

RMW4AN7P–ROBERT KOCH (1843-1910) German physician and microbiologist

DAVOS Vintage 1900s Winter Sports DAVOS International ice skating – Davos Date 1905 lithograph illustration artist Walther Koch (1875–1915) Stock Photo

RM2PMA5WA–DAVOS Vintage 1900s Winter Sports DAVOS International ice skating – Davos Date 1905 lithograph illustration artist Walther Koch (1875–1915)

Christina Koch. Portrait of the NASA astronaut, Christina Hammock Koch (b. 1979) wearing an Extravehicular Mobility Unit (EMU) suit. Photo courtesy of NASA, 2018 Stock Photo

RM2F62WYG–Christina Koch. Portrait of the NASA astronaut, Christina Hammock Koch (b. 1979) wearing an Extravehicular Mobility Unit (EMU) suit. Photo courtesy of NASA, 2018

Soccer - UEFA Cup - Third Round First Leg - Rangers v Kaiserslautern. George Koch, Kaiserslautern goalkeeper Stock Photo

RMG9G7EX–Soccer - UEFA Cup - Third Round First Leg - Rangers v Kaiserslautern. George Koch, Kaiserslautern goalkeeper

Idraulic windmill plant station Koch Engineering, Italy 1930s Stock Photo

RMPRRD5X–Idraulic windmill plant station Koch Engineering, Italy 1930s

KOCH, Robert (1843-1910). German doctor. In 1882 discovered the bacillus of tuberculosis. Stock Photo

RMBTM39D–KOCH, Robert (1843-1910). German doctor. In 1882 discovered the bacillus of tuberculosis.

Robert Koch, Heinrich Hermann Robert Koch (1843 – 1910) German physician and microbiologist. Stock Photo

RM2AKK5AX–Robert Koch, Heinrich Hermann Robert Koch (1843 – 1910) German physician and microbiologist.

Robert Koch, German Microbiologist Stock Photo

RMHRNYTP–Robert Koch, German Microbiologist

EFFI (2009) SEBASTIAN KOCH HERMINE HUNTGEBURTH (DIR) EFI 004 Stock Photo

RMBJP5CR–EFFI (2009) SEBASTIAN KOCH HERMINE HUNTGEBURTH (DIR) EFI 004

RMGDGWMM–Architect Carl Koch

RMD87GP8–ROBERT KOCH

RMEN33HC–A Heckler & Koch G36 C (5.56mm x 45 NATO calibre gas operated assault rifle) favoured by British law enforcement (Police). It has the dimensions of a submachine gun combined with the penetration capability of the 5.56 NATO calibre.

Robert Koch in his laboratory Stock Photo

RMCPHPAA–Robert Koch in his laboratory

RM2M7GFRC–Macbeth and the Witches, 1829/1830 by Joseph Anton Koch 1768-1839 ( William Shakespeare's Macbeth ) Austria, Austrian, Neoclassicism, German Romantic movement, he is perhaps the most significant, neoclassical landscape painter

RME11992–Edward Koch is nominated for mayor

RM2PNTRAT–Houston, United States. 30 March, 2023.  NASA Astronaut Christina Hammock Koch and Artemis II crew member poses in the bright orange Orion Crew Survival System suit at the Johnson Space Center, March 28, 2023 in Houston, Texas. Koch was selected as a flight engineer for the Artemis II mission to the Moon. Credit: Robert Markowitz/NASA/Alamy Live News

Illustration showing Robert Koch (1843 – 1910); German physician and microbiologist. As the founder of modern bacteriology, he identified the specific causative agents of tuberculosis, cholera, and anthrax and gave experimental support for the concept of infectious disease Stock Photo

RMRJN56G–Illustration showing Robert Koch (1843 – 1910); German physician and microbiologist. As the founder of modern bacteriology, he identified the specific causative agents of tuberculosis, cholera, and anthrax and gave experimental support for the concept of infectious disease

Robert Heinrich Hermann Koch, 1843 - 1910, celebrated German physician and pioneering microbiologist, historical image or illustration, published 1890, digital improved Stock Photo

RFHHWMHP–Robert Heinrich Hermann Koch, 1843 - 1910, celebrated German physician and pioneering microbiologist, historical image or illustration, published 1890, digital improved

Germany, Hamburg, boy with a hula-hoop, photography around 1900, atelier Carl Koch, Hamburg. , ADDITIONAL-RIGHTS-CLEARANCE-INFO-NOT-AVAILABLE Stock Photo

RM2G4K36N–Germany, Hamburg, boy with a hula-hoop, photography around 1900, atelier Carl Koch, Hamburg. , ADDITIONAL-RIGHTS-CLEARANCE-INFO-NOT-AVAILABLE

RMMFMHWP–ROBERT KOCH (1843-1910) German physician and microbiologist

DAVOS Vintage 1900s Wintersports Poster Lithograph Davos - International iceb skating, January 18th and 19th, 1913 International speed and figure skating Artist Walther Koch (1875–1915) Davos Switzerland Stock Photo

RM2PMA62F–DAVOS Vintage 1900s Wintersports Poster Lithograph Davos - International iceb skating, January 18th and 19th, 1913 International speed and figure skating Artist Walther Koch (1875–1915) Davos Switzerland

Robert Koch German physician and microbiologist Born 1843 Died 1910 Stock Photo

RM2F7B7PY–Robert Koch German physician and microbiologist Born 1843 Died 1910

Bacteriologist Robert Koch in the 1880s. Hand-colored woodcut Stock Photo

RM2B3YRW5–Bacteriologist Robert Koch in the 1880s. Hand-colored woodcut

Waterfall near Subiaco, painting by Austrian artist Joseph Anton Koch, 1813 Stock Photo

RM2HK4E6W–Waterfall near Subiaco, painting by Austrian artist Joseph Anton Koch, 1813

Robert Koch (1843-1910). German physician. Nobel Prize, 1905. Engraving in The Spanish and American Illustration, 1890. Stock Photo

RME0B6DJ–Robert Koch (1843-1910). German physician. Nobel Prize, 1905. Engraving in The Spanish and American Illustration, 1890.

Astronaut Christina Koch Official EMU Portrait. Official portrait of NASA astronaut Christina Koch. Stock Photo

RM2K7XH28–Astronaut Christina Koch Official EMU Portrait. Official portrait of NASA astronaut Christina Koch.

RMHRNNM1–Robert Koch, German Microbiologist

EFFI (2009) JULIA JENTSCH, SEBASTIAN KOCH HERMINE HUNTGEBURTH (DIR) EFI 007 Stock Photo

RMBJP5D5–EFFI (2009) JULIA JENTSCH, SEBASTIAN KOCH HERMINE HUNTGEBURTH (DIR) EFI 007

Leeds United's Robin Koch during the Premier League match at Elland Road, Leeds. Picture date: Saturday February 26, 2022. Stock Photo

RM2HT69CB–Leeds United's Robin Koch during the Premier League match at Elland Road, Leeds. Picture date: Saturday February 26, 2022.

RMD88DPF–ROBERT KOCH

RMEN33HH–A Heckler & Koch G36 C (5.56mm x 45 NATO calibre gas operated assault rifle) favoured by British law enforcement (Police). It has the dimensions of a submachine gun combined with the penetration capability of the 5.56 NATO calibre.

RMC45651–Robert Koch, 1884

Rio de Janeiro, Brazil. 13 August 2016. Heather Miller-Koch (USA) competing in the Heptathlon 800m at the 2016 Olympic Summer Games. ©Paul J. Sutton Stock Photo

RMHMFC95–Rio de Janeiro, Brazil. 13 August 2016. Heather Miller-Koch (USA) competing in the Heptathlon 800m at the 2016 Olympic Summer Games. ©Paul J. Sutton

Mayor Edward Koch travels on metro Stock Photo

RME1198X–Mayor Edward Koch travels on metro

RM2PNTRB4–Houston, United States. 28 March, 2023.  NASA Astronaut Christina Hammock Koch and Artemis II crew member poses in the bright orange Orion Crew Survival System suit at the Johnson Space Center, March 28, 2023 in Houston, Texas. Koch was selected as a flight engineer for the Artemis II mission to the Moon. Credit: Robert Markowitz/NASA/Alamy Live News

Otto Albert Koch (1866-1920), German graphic artist. Mercedes Benz Automobile advertisement: Land, water, air: In addition to Benz automobiles, this poster of 1918 is advertising aero and marine engines. Stock Photo

RMD994D8–Otto Albert Koch (1866-1920), German graphic artist. Mercedes Benz Automobile advertisement: Land, water, air: In addition to Benz automobiles, this poster of 1918 is advertising aero and marine engines.

Carl Wilhelm Otto Koch, 1810 - 1876, a German lawyer and politician, from 1849 to 1876 Mayor of Leipzig, historical engraving, 1 Stock Photo

RFCNXP71–Carl Wilhelm Otto Koch, 1810 - 1876, a German lawyer and politician, from 1849 to 1876 Mayor of Leipzig, historical engraving, 1

Civil long arms, modern systems, Heckler & Koch model SL 7, with scope calibre 308 Winchester, number 17439, Additional-Rights-Clearance-Info-Not-Available Stock Photo

RMT8GC29–Civil long arms, modern systems, Heckler & Koch model SL 7, with scope calibre 308 Winchester, number 17439, Additional-Rights-Clearance-Info-Not-Available

RMF4GK7N–ROBERT KOCH (1843-1910) German physician and microbiologist

DAVOS TOBOGGAN RUN Vintage 1900s Winter Sports Poster Lithograph Davos toboggan run, 1911. Colour lithograph. Graph Institution J.E. Wolfensberger Zurich Switzerland Walther Koch (1875–1915) Stock Photo

RM2PMA631–DAVOS TOBOGGAN RUN Vintage 1900s Winter Sports Poster Lithograph Davos toboggan run, 1911. Colour lithograph. Graph Institution J.E. Wolfensberger Zurich Switzerland Walther Koch (1875–1915)