J. Bruce Beckwith

John Bruce Beckwith (September 18, 1933 – January 21, 2025) was an American pediatric pathologist known for helping to identify Beckwith-Wiedemann syndrome, which is partly named after him. He is also known for his role as reference pathologist for the National Wilms Tumor Study Group, a position he held from 1969 until his retirement thirty years later. He is also recognized for his research on sudden infant death syndrome, which he helped to define in the 1960s.

Beckwith was born in Spokane, Washington, and grew up in St. Ignatius, Montana. In 1998, he was named an honorary fellow of the Royal College of Pathologists; He received the American Society of Pediatric Hematology/Oncology's Distinguished Career Award in 2005.