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Leodus Jones, 74, bore witness to Philly’s grisly Holmesburg prison experiments

Leodus Jones bore witness to the infamous Holmesburg Prison experiments, in which doctors exposed inmates to everything from dioxin to LSD.

Leodus Jones (left) and Warren Summers, former inmates at Holmesburg Prison, in an Inquirer file photo from Oct. 29, 2003. They’re protesting an award given to Albert Kligman, a University of Pennsylvania dermatologist who developed Retin-A and who conducted experiments at Holmesburg.
Leodus Jones (left) and Warren Summers, former inmates at Holmesburg Prison, in an Inquirer file photo from Oct. 29, 2003. They’re protesting an award given to Albert Kligman, a University of Pennsylvania dermatologist who developed Retin-A and who conducted experiments at Holmesburg.Read morePeter Tobia/Daily News