| AL | the ratio of reflected to incident light |
|---|---|
| AL | American dramatist (1928-) |
| AL | American politician and lawyer |
| AL | American politician and lawyer |
| AL | United States painter born in Germany |
| AL | an inherited disorder characterized by an increase in bone density |
| AL | Prince Consort of Queen Victoria of England (1819-1861) |
| AL | United States physicist (born in Germany) who collaborated with Morley in the Michelson-Morley experiment (1852-1931) |
| AL | United States microbiologist (born in Poland) who developed the Sabin vaccine that is taken orally against poliomyelitis (born 1906) |
| AL | French writer who portrayed the human condition as isolated in an absurd world (1913-1960) |
| AL | King of England from 1901 to 1910 |
| AL | physicist born in Germany who formulated the special theory of relativity and the general theory of relativity |