Each year at Alumni Day, Princeton notes the passing of students, alumni, faculty, and staff who died during the year gone by. The Service of Remembrance is a ­moving and poignant celebration of lives we knew.

In that spirit, the following pages are a remembrance of alumni lost in 2012. These nine men and one woman are but a small representation of those who lived lives worth celebrating. Among others who died last year are some Princeton ­giants: Dan Gardiner ’56, the driving force behind the ReachOut 56-81-06 ­project, which supports new graduates in public service; and Paul Wythes ’55, the University trustee who shepherded what’s known as the Wythes report, which led to a larger student body.

Fashionistas long will recall ­Norman Hilton ’41, credited with defining Ivy League style, who was one of Ralph ­Lauren’s first investors. Science lost Roy J. Britten *51, a gene pioneer. His graduate-school classmate, George Rathmann *51, is considered a father of the biotechnology industry; he built Amgen into the world’s largest biotech company by ­focusing on some of the most successful drugs in history. There are many others, whose lives provide lessons worth ­remembering.

Click the Lives 2012 tag below to read profiles of 10 alumni whom Princeton lost in 2012.