Context : Luis Walter Alvarez was born in San Francisco on June 13, 1911, the second child and oldest son of Walter C. Alvarez, a physician, and his wife Harriet née Smyth, and a grandson of Luis F. Alvarez, a physician who lived for a time in Spain, then Cuba, and finally the United States, who found a better method for diagnosing macular leprosy. 
Subject : Luis Walter Alvarez 
Relation : award received
Which award was honoured to Luis Walter Alvarez?