Kliment Arkadievich Timiryazev (Климент Арка́дьевич Тимиря́зев) (1843–1920)

Russian plant physiologist. Studied in St Petersburg. Published an extended paper, ‘Darwin’s book, its critics and commentators’ (1864), published separately as A short précis of Darwin’s theory (1865). Graduated in 1865, then studied new methods of agrotechnology under Mendeleev in Simbirsk province. Worked in France and Germany, 1868–70. Worked at the Petrov Agricultural and Forestry Academy, Moscow, 1870–92; professor extraordinarius, 1871; professor, 1875. Professor of anatomy and plant physiology, University of Moscow, 1877. Studied photosynthesis.