John L. Murdock Sr., who worked for half a century in medical testing as a hospital employee and owner of a laboratory, died of pneumonia Sept. 16 at Northwest Hospital Center. The Forest Park resident was 80.
Born and raised in Baltimore, he was a 1943 graduate of Frederick Douglass High School. He earned a bachelor's degree from what is now Morgan State University after Army service during World War II and the Korean War. He attained the rank of sergeant.
He worked for what is now the University of Maryland Medical Center as a lab technician and became supervisor of its histology lab. About 30 years ago, he became a supervisor in the histology department at what is now St. Agnes HealthCare, where he retired about 20 years ago.
He also taught science at what is now Coppin State University, and at his death owned and operated Associates in Tissue Technology, a Baltimore National Pike medical lab. He had a financial interest in a liquor store at North and Braddish avenues.
A member of numerous professional societies, he was a founding member of the National Society for Histotechnology.
He was a communicant of Holy Nativity Episcopal Church, where he sang in the choir, taught Sunday school and sat on the advisory board.
A memorial service will be held at 4 p.m. Saturday at the Episcopal Cathedral of the Incarnation, University Parkway and St. Paul Street.
Survivors include his wife of 53 years, the former Trannie Smith; two sons, John L. Murdock Jr. and Jason Murdock, both of Baltimore; two daughters, Tramar Jennings of Baltimore and Teloca Sistrunk of Atlanta; a nephew he raised, David Andrews of Ozark, Ala.; a brother, Alfred Norval Murdock of Baltimore; a sister, Mary Ethel Tates of Baltimore; and six grandchildren.