title: Being counted.
authors.affiliation: Department of Biological Sciences, Columbia University, New York, NY 10027, USA. mc21@columbia.edu
authors.forename: Martin
authors.initials: M
authors.lastname: Chalfie
mesh_terms: D002621:Chemistry / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D009613:Nobel Prize