No. 9: Sergey Brin and Anne Wojcicki
The couple gave $187-million to their Brin Wojcicki Foundation.
By Maria Di Mento
Senior Editor
No. 50: Millicent Atkins (bequest)
Ms. Atkins left an estimated $37.5-million trust to be split equally among three institutions.
By Maria Di Mento
Senior Editor
Mr. Arrillaga gave $151-million to Stanford University, his alma mater.
By Maria Di Mento
Senior Editor
Mr. and Ms. Bass pledged $50-million to establish Bass Connections, a program to encourage interdisciplinary study and collaboration among students and faculty members at Duke.
By Maria Di Mento
Senior Editor
Ms. Block left an estimated $160-million to Albert Einstein College of Medicine at Yeshiva University.
By Maria Di Mento
Senior Editor
Mr. and Ms. Arnold, ages 39 and 40, respectively, gave $235.9-million to the Laura and John Arnold Foundation.
By Maria Di Mento
Senior Editor
Mr. Allen gave $200-million to support arts and culture, education, and social-service programs, primarily in the Pacific Northwest.
By Maria Di Mento
Senior Editor
Mr. Mitchell pledged $50-million to the University of South Alabama.
By Maria Di Mento
Senior Editor
Mr. Rubenstein made large donations to at least 11 nonprofits in 2013. He pledged the biggest amount, $50-million, to the John F. Kennedy Center for the Performing Arts.
By Maria Di Mento
Senior Editor
No. 30: Robert and Patricia Kern
Mr. and Ms. Kern pledged $67.3-million to the Mayo Clinic’s Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery.
By Maria Di Mento
Senior Editor