Frederick Mosteller was born in
Clarksburg, West Virginia, on December 24, 1916, to Helen Kelley Mosteller and William Roy Mosteller. His father was a highway builder. He was raised near
Pittsburgh, Pennsylvania, and attended Carnegie Institute of Technology (now
Carnegie Mellon University). He completed his ScM degree at Carnegie Tech in 1939, and enrolled at Princeton University in 1939 to work on a PhD with statistician
Samuel S. Wilks. He also taught courses at Harvard Law School and Harvard's Kennedy School of Government. He worked with his mathematical assistant
Cleo Youtz from the 1950s until his departure from Harvard in 2003, and had an administrative assistant. He was well known for being a good writer, insisting on doing up to fifteen drafts of a paper or book chapter before showing it to his colleagues and several additional drafts before submitting the paper to a journal. the
American Philosophical Society (1961), and the
United States National Academy of Sciences (1974). He retired from classroom teaching in 1987, but continued working and publishing at Harvard through 2003. On January 3, 2004, he moved to
Arlington, Virginia, to be closer to his children. == Contributions to statistics ==