Marc Satalof donated 35 gallons of blood in more than 50 years. At 76, the Montco retiree just rolled up his sleeve for the last time

A longtime Philadelphia schoolteacher has completed his final donation of blood at Penn’s Perelman Center for Advanced Medicine, with remarks from Kristin G. Christensen and Donald Siegel of the Perelman School of Medicine.

・ From Philadelphia Inquirer