Richard Doll, English physiologist and epidemiologist (born 1912)

Sir William Richard Shaboe Doll was a British physician who became an epidemiologist in the mid-20th century and made important contributions to that discipline. He was a pioneer in research linking smoking to health problems. With Ernst Wynder, Bradford Hill and Evarts Graham, he was credited with being the first to prove that smoking increased the risk of lung cancer and heart disease.