The Omidyars, who are both 46, gave a total of $225-million to four organizations.
By Maria Di Mento
Senior Editor
Mr. Sanford pledged $100-million to establish the Sanford Stem Cell Clinical Center.
By Maria Di Mento
Senior Editor
Although Mr. Munger left the University of Michigan before graduating, he became one of its most generous donors when he pledged $110-million.
By Maria Di Mento and HEATHER JOSLYN
The couple’s largest donation, a pledge of about $133-million, was made to establish the Jacobs Technion-Cornell Innovation Institute.
By Maria Di Mento
Senior Editor
Mr. Koch pledged $100-million to NewYork-Presbyterian Hospital for a new building that will house an outpatient care center.
By Maria Di Mento
Senior Editor
No. 22: Sanford and Joan Weill
Mr. and Ms. Weill pledged $100-million to Weill Cornell Medical College for two new research centers.
By Maria Di Mento
Senior Editor
Mr. Murdock, 90, pledged $50-million to the David H. Murdock Research Institute, for operating costs.
By Maria Di Mento
Senior Editor
No. 18: Theodore and Vada Stanley
Mr. Stanley, 81, and his wife, who died in July, gave $132.7-million to their Stanley Family Foundation.
By Maria Di Mento
Senior Editor
Mr. McCourt pledged $100-million to Georgetown University.
By Maria Di Mento
Senior Editor
Mr. Marron pledged $40-million to New York University to create the Marron Institute on Cities and the Urban Environment.
By Maria Di Mento
Senior Editor
Mr. Schwarzman committed $100-million to Tsinghua University, in Beijing, to create a program that will bring 200 graduate students a year to live and study on a new campus.
By Maria Di Mento
Senior Editor
No. 19: Jack MacDonald (bequest)
Mr. MacDonald led a thrifty life to set aside as much money as he could for charity. At his death in September, he left nearly his entire estate to three groups in Seattle.
By Caroline Bermudez
Contributor
Mr. Johnson pledged $250-million to Yale University to build two new residential colleges.
By Maria Di Mento
Senior Editor
No. 33: Bruce and Suzie Kovner
The Kovners made two commitments totaling $65-million to the Juilliard School.
By Caroline Bermudez
Contributor
Mr. Robertson gave $50-million to his Robertson Foundation, which supports education, the environment, medical research, and religion and spirituality.
By Maria Di Mento
Senior Editor
Stephen Ross pledged $200-million to the University of Michigan, where he is leading a $4-billion fundraising campaign.
By Maria Di Mento
Senior Editor