Complex sentence: Dr E. Myles Standish (Erland Myles Standish, Jr) is a mathematical astronomer, a former professor at Yale University, and worked for CalTech's Jet Propulsion Laboratory.
Split into simpler sentences: Dr E. Myles Standish, also known as Erland Myles Standish, Jr., is a mathematical astronomer and a former professor at Yale University. He worked for CalTech's Jet Propulsion Laboratory.