Leonard J. Kerpelman
Summary: Baltimore gadfly lawyer who had represented atheist leader Madalyn Murray O'Hair (who was murdered by a former employee in the 1990's) and successfully argued a landmark U.S. Supreme Court case in 1963 that led to a ban on state-supported prayer in public schools.
Cause of Death: Complications from a tumor
Born: January 12, 1925
Died: September 26, 2013
Location: Baltimore, Maryland