Moscow, [1910s]. Paper, ink. Phototype made by K. Fisher. 22x14,3 cm.
Kliment Arkadievich Timiryazev (1843-1920), famous Russian botanist and physiologist, highly-regarded popularizer of science widely known for his enthusiastic public lectures, and moreover, a confirmed Darwinian, a point of view rarely espoused in czarist Russia. In 1910s Timiryazev was foremost Russian botanist of the day. His main scientific achievement was the development of experimental and theoretical problems of photosynthesis in plants.