Adelbert T. Tweedie

Adelbert “Del” T. Tweedie, Ph.D., Chief Scientist and Chemist at Devon Associates, has been recognized by Marquis Who’s Who Top Scientists for dedication, achievements, and leadership in chemistry.

Harley Thronson, PhD

Harley Thronson, PhD, senior scientist at Astrophysics Mission Concepts at the national Aeronautics and Space Administration and professor at the University of Wyoming, has been recognized by Marquis Who’s Who Top Scientists for dedication, achievements, and leadership in Astrophysics.

Steve B. Howell, PhD

Steve B. Howell, PhD, Head of Space Sciences at National Aeronautics and Space Administration, has been recognized by Marquis Who’s Who Top Scientists for dedication, achievements, and leadership in Astrophysics.