alamo
- n a siege and massacre at a mission in San Antonio in 1836; Mexican forces under Santa Anna besieged and massacred American rebels who were fighting to make Texas independent of Mexico
alan alexander milne
- n English writer of stories for children (1882-1956)
alan bartlett shepard jr.
- n astronaut who made the first United States' suborbital rocket-powered flight in 1961 (1923-1998)