Michael J. Massimino Quotes
The hardest thing for me as an astronaut was to improve my swimming skills.
Citations
Massimino, Michael J. Ask Me Anything. Reddit, 4 Oct. 2016.
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Michael James Massimino /ˌmæsɪˈmiːnoʊ/ is an American professor of mechanical engineering at Columbia University and a former NASA astronaut. He is the senior advisor of space programs at the Intrepid Sea, Air & Space Museum.