The family pledged $50-million to build the Center for Advanced Pediatric Care, which will be named after them.
Mr. Bloomberg gave a total of $452-million to arts, education, environment, and public-health nonprofits.
No. 27: John Boruchin (bequest)
Mr. Boruchin, who was 93 when he died in 2012, left about $72-million to the Jewish National Fund.
No. 9: Sergey Brin and Anne Wojcicki
The couple gave $187-million to their Brin Wojcicki Foundation.
No. 50: Millicent Atkins (bequest)
Ms. Atkins left an estimated $37.5-million trust to be split equally among three institutions.
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.
Ms. Block left an estimated $160-million to Albert Einstein College of Medicine at Yeshiva University.
Mr. and Ms. Arnold, ages 39 and 40, respectively, gave $235.9-million to the Laura and John Arnold Foundation.
Mr. Allen gave $200-million to support arts and culture, education, and social-service programs, primarily in the Pacific Northwest.
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.
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.
Investing in Fundraisers Who Cultivate Big Donors Pays Off, Studies Find
Survey results show that spending money to attract and retain good fundraisers really does pay off.
Perks for Donors Help a Charity Reap Rewards
Pencils of Promise, which builds schools in the developing world, offered donors who gave or raised at least $25,000 a chance to name a school in Guatemala and be the charity’s guest at the dedication.
Recovering From Year-End Setbacks, an Arts Group Puts Supporters on Stage
Maryland Youth Ballet has put a longtime donor and two prominent politicians into its holiday “Nutcracker” performance.