Roger J. Thomas was a

solar physicist Solar physics is the branch of astrophysics that specializes in the study of the Sun. It deals with detailed measurements that are possible only for our closest star. It intersects with many disciplines of pure physics, astrophysics, and comput ...

who worked at

NASA The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeeding t ...

for many years. He was an internationally recognized expert on the design of extreme ultraviolet spectrographs, and received the prestigious NASA Exceptional Service Medal in 2009.

References

Recipients of the NASA Exceptional Service Medal 1942 births 2015 deaths {{physicist-stub