Five Stanford professors were elected to the National Academy of Sciences on Tuesday during the organization’s 147th annual meeting. Chosen were Persis Drell, Jerome Friedman, Steven Kivelson, Roeland Nusse and Lee D. Ross.

Drell is a professor of particle physics and astrophysics at Stanford. She has been the director of the SLAC National Accelerator Laboratory since 2007.

Friedman, a statistics professor since 1982, researches statistics and data mining.

Kivelson joins Drell as a fellow physics professor and is a member of the Stanford Institute for Materials and Energy Science.

Nusse is a professor and chair of the Department of Developmental Biology.

Ross is a psychology professor. At Stanford since 1969, he teaches classes on social psychology applications.

One Stanford professor, Wing Wong, was elected to the Academy last year.