Francis John Pettijohn (1904-1999) was an American geologist.This collection consists of research materials and notes from 1929 through 1951. This collection is unprocessed.

This collection consists of a vast array of research, teaching, and manuscript notes; book reviews, articles, publications, clippings, correspondence, and Johns Hopkins memoranda, spanning more than three decades of professor Francis Rourke's academic career.

Owen Martin Phillips (1930-2010) was a Johns Hopkins University professor of Geophysics. This collection consists of the personal and professional papers of Professor Owen M. Phillips, which date from approximately the 1940s-1990s. This collection has not been processed.

The papers of Johns Hopkins University biology professor Robert Ballentine document much of his research and teaching and span the years 1942 to 1993.

Robert Forster was a professor in the Johns Hopkins History Department for almost 50 years, where he became renowned for his work on the history of early modern France. These are the professional papers of Forster dating from 1946-2003, including, but not limited to, research notes, typed drafts of his writings, correspondence, and teaching materials.

Sidney Wilfred Mintz (1922-2015) was an anthropologist best known for his studies of the Caribbean, creolization, and the anthropology of food. The collection spans the years 1950 to 2005, and consists of correspondence, lecture notes, course files, administrative records, talks, manuscript edits, and research files.