Russian and Soviet botanist and geneticist best known for having identified the centres of origin of cultivated plants. He devoted his life to the study and improvement of wheat, corn, and other cereal crops that sustain the global population.
Source:
1.) Peter Pringle (2008). The Murder of Nikolai Vavilov: The Story of Stalin's Persecution of One of the Great Scientists of the Twentieth Century. Simon and Schuster. p. 137. ISBN 978-0-7432-6498-3. "Despite his strict upbringing in the Orthodox Church, Vavilov had been an atheist from an early age. If he worshipped anything, it was science."