Phil Muntz

Eric Phillip Muntz (May 18, 1934 – August 1, 2017) was a prominent American scientist and a former Canadian football player who played for the Calgary Stampeders in 1956 and Toronto Argonauts from 1957 to 1960. He previously played at the University of Toronto
where he received a B.S. degree in Aeronautical Engineering in 1956 and a PhD in 1961 specializing in Aerophysics. 
Since 1969, Muntz was a professor at University of Southern California Phil Muntz made important contributions to the development of electron beam fluorescence technique as well as its applications for high-speed flow measurements. He was an inventor on over 25 patents. 
In 1993, Muntz was elected a member of US National Academy of Engineering with the citation "For technical and academic leadership in rarified-gas dynamics and non-equilibrium flow phenomena".
In late 1990s and early 2000s, Muntz introduced and developed the concept of Knudsen compressor, a multi-stage vacuum pump with no moving parts or fluids. He died on August 1, 2017.