Nation Igor Vovkovinskiy, the tallest man in the U.S. at 7-foot-8, has died of heart disease August 24, 2021staff videoComments Off on Igor Vovkovinskiy, the tallest man in the U.S. at 7-foot-8, has died of heart disease Igor Vovkovinskiy, the tallest man in the U.S. at 7-foot-8, has died of heart disease at 38 years old.