Alfred Hans Rzeppa, mechanical engineer
1885 Born in Austria
1917 Living in Detroit, Michigan[1]
1927 First of his patents, this for a universal joint; he was living in Detroit, Michigan
c.1931 visited UK
1936 Proposed an improved design for constant-velocity joints.
c.1937 visited UK
1942 Living in Grosse Pointe, Michigan[2]
1965 Died in Columbus, North Carolina