Professor of astronomy and director of the Observatory at University of Michigan and University of Wisconsin. Correspondence, professional papers, travel journals, and files of astronomical observations and calculations.
The James C. Watson collection consists of correspondence with astronomers, University of Michigan colleagues, and other scientists and inventors; professional papers, travel journals of trips to Alaska, China, Sicily, Egypt and Arabia; and files of astronomical observations and calculations, mainly pertaining to asteroids. The papers are organized into the following series: Correspondence and related; Professional papers; Travel and personal; Photographs; and Astronomical observations calculations.