Nation Dr. Gregg Semenza called his mom after winning a Nobel Prize. She thought it was a crank call October 8, 2019 Swapna Venugopal Ramaswamy, Rockland/Westchester Journal News Comments Off on Dr. Gregg Semenza called his mom after winning a Nobel Prize. She thought it was a crank call 2019 Nobel laureate Gregg Semenza of Tarrytown credits his teachers in Sleepy Hollow, New York, with sparking his interest in science.