Georgii Nadson

Georgii Adamovich Nadson was a Soviet biologist, "one of the pioneers of radioecology in Russia" He became professor at St. Petersburg University in 1900. In 1930, he founded the Laboratory of Microbiology of the Russian Academy of Sciences. He was director of the institute until 1937, when he was "falsely accused of participating in so-called anti-Soviet sabotage and terrorism and arrested." On 14 April 1939 he was found guilty of participation in a terrorist organization, and on the next day he was shot and buried at the Kommunarka shooting ground. The real reason for his execution was his opposition to Lysenkoism.
Ulvella nadsonii, a species of algae, is named for him.