Search Displaying 1 - 1 of 1 Fulltext search Sort by RelevanceDate Created: Newest to OldestDate Created: Oldest to Newest Leonard Hayflick (1928- ) By: Zane Bartlett | Published: Jul 20, 2014 Leonard Hayflick studied the processes by which cells age during the twentieth and twenty-first centuries in the United States. In 1961 at the Wistar… PeopleCellsCell populationsCell DeathApoptosis Filter my results Author (-) Zane Bartlett (1) Collection (-) Articles (1)