File consists of photographs of Rchard H. Sadleir (1929-2021). He was the acting President and Vice-Chancellor of Trent University (1968-1971). Sadleir was also the Master (Dean of Men) of Peter Robinson College (1963) and the Vice-President of Trent (1970-1976). File includes a booklet of headshots.

File consists of photographs of Douglas (Doug) Sadler birding.

File consists of a photograph of Faramarz Samifanni, the president of the Trent Student Union (1987-1988).

File consists of photographs of Ian Sandeman, Senior Tutor of Catharine Parr Traill College (1967), and Professor of Biology at Trent University.

File consists of photographs of Bernard Danton Sandwell, Chair on the Board of Governors at Trent University (1971-1975). Sandwell is a recipient of an honorary degree (Doctor of Laws) in 1980. Photographs include Mrs. Sandwell.

File consists of photographs of Joan Sangster. She was the Director of the Frost Centre (2000-2006, 2013-2014, 2015-?), a Vanier Professor (2015), The Dean of Graduate Studies and Head of Traill College (2010-2011), Dean of Graduate Studies (2011-2013), and a recipient of the Symons Award for Excellence in Teaching (1989). Photos include Heather Avery and members of the "Moving Forward" conference (1990).

File consists of photographs of Marg Saundres. One photo includes her cutting a cake, and the other is with two unidentified individuals.

Collection consists of meeting minutes, statements and briefs, newsletter issues, newspaper clippings, photographs, and correspondence relating to efforts of the Save Maple Mountain Committee. Trent University people associated with this effort included Professor F.M. Helleiner, Professor Bruce Hodgins, and Jamie Benedickson.

File consists of photographs of Alan Saxby, the Registrar from (1987-1995). Photographs include Nina Milner and Bruce Hurley.

File consists of a photograph Shelagh Scarth a Rhodes Scholar. Photograph includes two unidentified children.

File consists of a photograph of Pat Schillemore-Martin in Bata Library. Schillemore-Martin was the acting President of OPSEU Local 365 (1994) and then President (1994-2001), as well as the President (1993-1994).

File consists of a photograph of Kenneth Schmitz, who was a Gilbert Ryle Lecturer (1996-1997).

File consists of a photograph of Calvin Schrag who was the Gilbert Ryle Lecturer in 1995.