April 22, 2023 ~ This week's guest is Bob Stewart, who grew up in Sheffield, Alabama. He has a B.S. in Math and an M.S. in Aerospace Engineering. In 1964, he joined the US Army and went from sweeping hanger floors to being a helicopter pilot in Vietnam. Named an astronaut in 1978, he flew on two missions and flew untethered in space, becoming the second astronaut to pilot the Manned Maneuvering Unit.