title: A tribute to Philip Marcus and the development of the clonogenic assay.
abstract: Philip Marcus (1927-2013), a prominent and celebrated virus and interferon researcher, was also influential to the field of radiobiology. His work as a graduate student led to the development of the first mammalian cell clonogenic assay. This tribute to Philip Marcus is written to memorialize this inventive scientist and share the stimulating story of how he and his mentors developed the clonogenic assay.
authors.affiliation: a  Department of Clinical Sciences, North Carolina State University, Raleigh, North Carolina.
authors.forename: Mary-Keara
authors.initials: MK
authors.lastname: Boss
authors.forename: Mark
authors.initials: M
authors.lastname: Dewhirst
mesh_terms: D003585:Cell Biology; D049673:History, 20th Century; D049674:History, 21st Century; D011853:Radiobiology