John Burdon Sanderson Haldane (; 5 November 1892 – 1 December 1964), nicknamed "Jack" or "JBS", was a British-Indian scientist who worked in physiology, genetics, evolutionary biology, and mathematics. With innovative use of statistics in biology, he was one of the founders of neo-Darwinism. He served in the Great War,...
This is my answer to the gap between ideas and action - I will write it out.