Tom Murphy, 56, in his home in Gainesville, Va., was diagnosed with ALS four years ago. An experimental drug seems to have slowed the progression of his disease, he says, though most ALS patients aren't as lucky.
T.J. Kirkpatrick for NPR
U.S. Ambassador to Israel Daniel Shapiro accepted the ALS "Ice Bucket Challenge." Soon after, the State Department warned that participation by high-profile diplomats was a violation of internal policy.
Houston Texans Coach Bill O'Brien (center) Chief Operating Officer Cal McNair (right) and Houston Chronicle reporter Brian Smith take the ALS Ice Bucket Challenge Thursday to raise money for the ALS Association.
David J. Phillip/AP
Jeffrey Quick, 69, holds a family photo of his parents and Lou Gehrig's mother as he and his wife, Joan, stand in their dining room. On the table next to them is a glove signed by Gehrig's Yankees teammates — a gift from Christina Gehrig.
Matt Rainey/Matt Rainey for NPR