Leo Quintum
Debut All-Star Superman
Portrayed by see In other media
Classification Human
Affiliation P.R.O.J.E.C.T.
Abilities Genius Intellect

Dr. Leo Quintum is the head scientist working with P.R.O.J.E.C.T., a lunar-based scientific laboratory performing advanced genetic testing. During his last months of life, Superman worked closely with Quintum, who became his scientific advisor. (All-Star Superman)

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