Two years ago, Mr. Strömbom and his wife, a smoker, pledged to kick the nicotine habit together.

The hedge fund manager Arthur Samberg and his wife pledged to match additional gifts up to $10 million.

Paul Milstein, the real estate developer, and his wife, Irma, who is a museum trustee, have pledged $15 million.

He received the first Bart Giamatti Caring Award in 1989 when he and his wife, Kelly, pledged $250,000 to create an adult learning center in Baltimore.

A San Francisco surgeon and his wife have pledged to donate their entire estate, valued at $25 million, to Yale University.

Paul J. Tonna, the presiding officer of the Suffolk County Legislature, said he and his wife, Carol, had pledged $2,000 as a reward for information about the attack.

He and his wife, Joan, have pledged $100 million to Cornell University, which will rename the medical college in their honor.

His wife pledged in 1204 to pay the king 200 chickens for the right to sleep one night with her husband, an obligation recorded in the royal records.

(Another real estate developer, Paul Milstein, and his wife, Irma, a museum trustee, have pledged $15 million to rebuild the Hall of Ocean Life.)