Sir John Lewis Maas PHD 1940-2020 Sir John Lewis Maas PHD, 79, of Berkeley Springs, W.Va., died Saturday, April 11, 2020 at the Winchester Medical Center. He was born August 13, 1940 in Detroit, Mich.; the son of Lewis D. and Marcella S. Maas. John retired from the USDA as a plant pathologist. He was . . .