Dr. Leonard John Cerullo, a world-renowned neurosurgeon who pioneered the use of lasers in neurosurgery, passed away on Tuesday January 16 2024 at the age of 79.Dr. Cerullo was born in Hazleton, Pennsylvania on June 8, 1944. He was the middle child of Leonard F and Marion Cerullo (Yori). He attended local public schools, graduating from Hazleton High School where he was elected class president in June 1962. He then attended Georgetown University where he graduated with a bachelor's degree in English Literature in June 1966. He spent the following summer studying Japanese literature in Tokyo. He began his medical career at the Jefferson Medical College in Philadelphia where he graduated with a medical doctorate in 1970. He served a mixed medical internship at Chicago Wesley Memorial Hospital (now Northwestern Memorial), then returned to Philadelphia to serve an internship in General Surgery under the guidance of his mentor Dr. R. K. Jones. There he met, courted, and married Cheryl Lee

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