Well, since the "Blue Beetle Appreciation 2021!!" thread seems to have temporarily detoured into a Captain Atom discussion (https://community.cbr.com/showthread...59#post5671359) , seems like maybe we should have a separate Captain Atom thread as well?
from Who's Who: The Definitive Directory of the DC Universe Vol. IV (June 1985)
Captain Atom #1 (March 1987)
from Who's Who Update '87 Vol. 1 (August 1987)