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Professor Robert Wood, portrait photograph, 1932. Creator: Arnold GentheProfessor Robert Wood, portrait photograph, 1932. Possibly a portrait of Robert Williams Wood, American physicist and inventor who made important contributions to the field of optics; pioneered
Robert Wilhelm Bunsen, 19th century German chemist, (1900). Bunsen (1811-1899) is widely considered one of the greatest experimental chemists of the 19th century
Medal commemorating Pierre Janssen and Norman Lockyer, French and English astronomers, 1868Medal commemorating Pierre Janssen and Joseph Norman Lockyer, French and English astronomers, 1868. In 1868, working independently of each other on spectroscopic studies of solar prominences
Pierre Janssen and Joseph Norman Lockyer, French and English astronomers, 1868. Pierre Jules Cesar Janssen (1824-1907), left, and Joseph Norman Lockyer (1836-1920)
Gustav Kirchhoff, Robert Bunsen and Henry Roscoe, scientists, c1860. Left to right: Gustav Robert Kirchhoff (1824-1887), German physicist; Robert Wilhelm Eberhard von Bunsen (1811-1899)
Gustav Robert Kirchhoff, German physicist, 1873. Kirchhoff (1824-1887) is known for his work on electricity, heat and optics
Gustav Robert Kirchhoff, German physicist, 1876. Kirchhoff (1824-1887) is known for his work on electricity, heat and optics
Spectroscopic apparatus used by Robert Wilhelm Bunsen and Gustav Robert Kirchhoff, c1895Spectroscopic apparatus used by Robert Wilhelm Bunsen (1811-1899) and Gustav Robert Kirchhoff (1824-1887). Discovered Spectrum Analysis (1859)
Spectrum analysis, 1873. A magic lantern being used to project slides during a lecture on spectrum analysis at the Royal Polytechnic Institution, London
Spectroscope, 1882. A spectroscope of the type used by Gustave Robert Kirchhoff (1824-1887) and Robert Wilhelm Bunsen (1811-1899) in studying the emission spectra of heated chemical elements
Robert Bunsen, German chemist, 1850s. Artist: C CookRobert Bunsen, German chemist, 1850s. Signed portrait; Bunsen (1811-1899) is widely considered one of the greatest experimental chemists of the 19th century
Spectroscopy. A spectrosopist observing (top). At the bottom, from left to right; absorption spectra of indigo, chromic chloride and magenta
William Huggins, British astronomer and spectroscopist, 1903. Artist: SpyWilliam Huggins, British astronomer and spectroscopist, 1903. Huggins (1824-1910) was the inventor of the solar spectroscope
Spectroscope, 1872. Instrument of the type developed by Robert Bunsen (1811-1899) and Gustav Robert Kirchhoff (1824-1887) during the 1850s