Answer: HALDANE

AnswerCrossword Clue
HALDANEBiochemist-geneticist John
HALDANEEnglish biologist who became a Marxist.
HALDANEBritish biologist in politics.
HALDANELeftist British scientist.
HALDANEEnglish biologist and author.
HALDANENoted British geneticist: 1892-1964
HALDANEFamed English biologist: 1892-1964