Lawrence (Larry) Alan Shepp (September 9, 1936 Brooklyn, NY – April 23, 2013, Tucson, AZ) was an American mathematician, specializing in statistics and computational tomography.
Shepp obtained his PhD from Princeton University in 1961 with a dissertation entitled Recurrent Sums of Random Variables. His advisor was William Feller. He joined Bell Laboratories in 1962. He joined Rutgers University in 1997. He joined University of Pennsylvania in 2010.
His work in tomography has had biomedical imaging applications, and he has also worked as Professor of Radiology at Columbia University (1973–1996), as a mathematician in the radiology service of Columbia Presbyterian Hospital.
He was awarded the IEEE Distinguished Scientist Award in 1979, was elected as a member of the National Academy of Sciences in 1989 and a member of the Institute of Medicine since 1992. In 2012 he became a fellow of the American Mathematical Society.