"A highbrow is a person educated beyond his intelligence."

-- James Brander Matthews, American author and educator (1852-1929).

Former first lady Betty Ford is 91.

Basketball Hall-of-Famer John Havlicek is 69.

Rock musician Steve Howe (Yes) is 62.

Movie director John Madden ("Shakespeare in Love") is 60.

Actor John Schneider is 49.

Singer Julian Lennon is 46.

Rapper Biz Markie is 45.

Actress Robin Wright Penn is 43.

Actress Patricia Arquette is 41.

Rock musician Darren Jessee is 38.

Actor Taylor Kitsch is 28.

Rock singer-musician Ezra Koenig (Vampire Weekend) is 25.

Actor Taran Noah Smith is 25.

Actress Kirsten Storms is 25.

On April 8, 1974, Hank Aaron of the Atlanta Braves hit his 715th career home run in a game against the Los Angeles Dodgers, breaking Babe Ruth's record.

In 1990, Ryan White, the teenage AIDS patient whose battle for acceptance gained national attention, died in Indianapolis at age 18.

In 1994, Kurt Cobain, singer and guitarist for the grunge band Nirvana, was found dead in Seattle from an apparently self-inflicted gunshot wound; he was 27.

In 2004, National security adviser Condoleezza Rice told the Sept. 11 commission "there was no silver bullet" that could have prevented the attacks.

In 2008, the top U.S. commander in Iraq, Army Gen. David Petraeus, told Congress that hard-won gains in the war zone were too fragile to promise any troop pullouts beyond the summer.