He was a scientist and astronaut in the Apollo program. On October 11, 1968, he occupied the lunar module pilot seat for the eleven- day flight of Apollo 7-the first manned flight test of the third generation United States spacecraft.
He is a world known cardiac surgeon. He developed parts for the heart-lung machine. He was one of the 1st doctors to perform a coronary artery bypass surgery. He was a pioneer in the an artificial heart pump. While in the military he helped develop Mobil Army Surgical Hospitals and the Veteran's Administration Medical Research System.
He was an American heart surgeon famous for performing the first implantation of a total artificial heart. He won the Rene' Leriche Prize, the highest honor of the International Surgical Society.
She was the 1st woman to become a pediatric surgeon in Texas. In her work she conducted research on congenital defects, burn treatment, spleen reparation, and the prevention of hepatitis.
He is the owner of Dell Computers which is the leading seller of personal computers.
He made drill bits for the oil industry and made much of his money in Texas oil. The company was established in December 1908 as Sharp-Hughes Tool Company.