Leon O. Morgan

Leon Owen Morgan
Born25 October 1919
Died29 July 2002 (Age 82)
NationalityAmerican
Alma materOklahoma City University, University of Texas at Austin
Known forAmericium
SpouseMary Elizabeth "Betty" Boyd
Children4
Scientific career
FieldsNuclear Chemistry

Leon Owen (Tom) Morgan Jr. (October 25, 1919 – July 29, 2002) was an American academic and Professor of Chemistry at the University of Texas at Austin. He co-discovered the chemical element americium along with Albert Ghiorso, Glenn T. Seaborg and Ralph A. James.

During World War II, he worked under Seaborg on plutonium chemistry in the Manhattan Project in Chicago and in 1944 on the discovery of transuranic elements by irradiating plutonium at the cyclotron in Berkeley.