Dr. Earls just retired as Director of the National Aeronautics and Space Administration's Glenn Research Center at Lewis Field in Cleveland, Ohio from 2003 to 2005. Glenn Center is engaged in research, technology and systems development programs in aeronautical propulsion, space propulsion, space power, space communications, and microgravity sciences in combustion and fluid physics. While managing an annual budget of approximately $773 million, he oversaw a workforce of 1,920 civil service employees and 1,300 on-site support service contractors. The center consists of 24 major facilities and over 500 specialized research facilities. Dr. Earls has been a noted Health Physicist and Radiation Specialist. He authored the first Health Physics Guides within his institution; served as a member of the Launch Team for Apollo XIII Lunar Program; served as the first African American Radiation Specialist in the New York Regional Office of the U.S. Atomic Energy Commission (now the U.S. Nuclear Regulatory Commission). He is co-founder of an organization whose members make personal contributions to raise $1 million for scholarships to black students who attend black colleges. Dr. Earls has been inducted into National Black Colleges Hall of Fame, along with Justice Thurgood Marshall and Dr. Martin Luther King, Jr.