title: Margaret (Peggy)  Wheelock (1945-2009):  cell scientist, mentor  and friend.
authors.affiliation: Northwestern University, Feinberg School of Medicine, Chicago, IL, USA.
authors.forename: Kathleen
authors.initials: K
authors.lastname: Green
authors.forename: Karen A
authors.initials: KA
authors.lastname: Knudsen
authors.forename: Pamela J
authors.initials: PJ
authors.lastname: Jensen
mesh_terms: D002448:Cell Adhesion; D003585:Cell Biology / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century