Sergei Chetverikov
（重定向自Sergei Sergeevich）
Sergei Sergeevich Chetverikov (Сергей Сергеевич Четвериков, 6 May 1880 - 2 July 1959) was one of the early contributors to the development of the field of genetics. His research showed how early genetic theories applied to natural populations, and has therefore contributed towards the modern synthesis of evolutionary theory.