Psychologist

Shirley A. Mark, a retired psychologist and educator, died May 28 of Parkinson's disease at the Edenwald retirement community in Towson. The former longtime Mount Washington resident was 83. The former Shirley Alpern was born and raised in Pittsburgh, where she graduated from Allderdice High School. She earned a bachelor's degree in 1947 from the University of Pittsburgh. She later earned a master's degree and certificate in clinical psychology from City College of New York in 1949.

Charles John Leiman, retired supervisor of psychologists for Baltimore County public schools and a World War II bombardier, died Jan. 27 of heart failure at the Edenwald retirement community in Towson. He was 93. The son of a grocer and a homemaker, Dr. Leiman was born in Baltimore and raised in Brooklyn Park. "Working in the grocery store was hard work, so he knew he wanted to go to college," said his daughter, Judith L. Leiman of Parkville. After graduating from Glen Burnie High School, Dr. Leiman earned a bachelor's degree in 1939 from Washington College and a master's degree in social work from Catholic University of America in Washington.

Gilbert Clapperton, a clinical psychologist who established Loyola University's Department of Psychology more than four decades ago, died Dec. 29 of lung cancer at Gilchrist Hospice Care. The longtime Lutherville resident was 71. Dr. Clapperton, the son of an anesthesiologist and a homemaker, was born and raised in Lewiston, Maine. After graduating from Lewiston High School in 1957, he earned a bachelor's degree in 1962 from Bates College. He earned a master's degree in clinical psychology in 1963 from the University of New Hampshire, and a year later, his doctorate in the discipline from Baylor University in Waco, Texas.