Joseph P. Kerwin

Joseph Peter Kerwin (born February 19, 1932) is an American physician and former NASA astronaut. He served as the science pilot for the Skylab 2 mission from May 25, 1973, to June 22, 1973. He was the first physician to be selected for astronaut training and the first doctor from the United States to enter space.

Kerwin was the one who uttered the words during Apollo 13: "Farewell, Aquarius, and we thank you." He was inducted into the United States Astronaut Hall of Fame in 1997. Provided by Wikipedia