Ervin Bauer was a Hungarian biologist.

In 1935, he published a monograph "Theoretical biology", in which he described the general thermodynamical features of living systems. His writings became particularly influential for the development of theoretical biology in Russia and several other countries.

In 1925 he moved from Hungary to Russia. Since 1933 he lived in Leningrad.

His first wife was a writer Margit Kaffka

Margit Kaffka

Margit Kaffka was a Hungarian writer and poet.Called a "great, great writer" by Endre Ady, she was one of the most important female Hungarian authors, and an important member of the Nyugat generation...

 (who died in 1918), and his second wife was a mathematician Stefánia Szilárd (sister of Leó Szilárd

Leó Szilárd

Leó Szilárd was an Austro-Hungarian physicist and inventor who conceived the nuclear chain reaction in 1933, patented the idea of a nuclear reactor with Enrico Fermi, and in late 1939 wrote the letter for Albert Einstein's signature that resulted in the Manhattan Project that built the atomic bomb...

).

Bauer and his wife Stefánia were arrested by KGB

KGB

The KGB was the commonly used acronym for the . It was the national security agency of the Soviet Union from 1954 until 1991, and was the premier internal security, intelligence, and secret police organization during that time.The State Security Agency of the Republic of Belarus currently uses the...

on August 4, 1937, and both were shot on January 11, 1938.