Born July 3, 1951, who became Haiti's "president for life" at age 19?

Born John Lydon, which singer fronted the Sex Pistols under a stage name? Born Ioseb Jughashvili in Georgia, which Soviet leader died in 1953 under a different name? Born on July 25, 1978, who was the world's first "test tube baby"? Born July 26, 1739, which U.S. vice president died in office on April 20, 1812? Born June 1, 1801, who led the Mormon migration to Utah in 1847? Born June 14, 1928, in Rosario, Argentina, which revolutionary died in Bolivia on October 9, 1967? Born June 8, 1867, in Richland Center, Wisconsin, which architect developed the Prairie style? Born days apart in 1951, which pair opened their first ice cream shop in a renovated Vermont gas station in 1978?