• Ph. D. - Astronomy and Astrophysics, Univeristy of Chicago (1942)
• Naval Ordinance Laboratory (1942 - 1944)
• Naval B-12 Training, Univeristy of South Carolina (1944 - 1945)
• Post Doctorate Appointment, Yerkes Observatory (1945 - 1946)
• Lecturer, Adler Planetarium (1946 - 1958)
• Department of Astronomy, Northwestern University (1946 - 1958)
• Mathematics and Astronomy Department, University of Kentucky (1958 - 1963)
• Department of Physics and Astronomy, University of Kentucky (1963 - 1986)
• Harlow Shapley visiting lecturer of the American Astronomical Society at various colleges and universities throughout the South and Midwest United States. (1970 - 1975)
• Thesis Advisor - Nobel Laureate - Subramanyan Chandrasekhar

Publications:

• NASA, Mathematician - Celestial Mechanics (1960 - 1963)
• 1st edition of Astronomical Universe, an elementary astronomy text. (1952)
• 2nd Edition of Astronomical Universe, an elementary astronomy text. (1962)
• 1st Edition of Tensor Analysis - Fundamentals and Applications (1978)
• 2nd Edition of Tensor Analysis - Fundamentals and Applications (2006)