National Museum of Nuclear Science & History
H. C. Smith worked for the United States Engineer District Office.
A Missourian by birth, W.K. ("Mac") MacCready held undergraduate and graduate degrees in physical chemistry from the University of Alabama.
B. M. Riney worked for the Roane-Anderson Company.
Lise Meitner (1878-1968) was an Austrian physicist. Meitner was part of the team that discovered and explained nuclear fission and foresaw its explosive potential.