Alvarez
/ˈælvərez/- Alvarez, Luis Walter (1911-88), American physicist. In 1980 Alvarez and his son identified iridium in sediment from the Cretaceous-Tertiary boundary and proposed that this resulted from a catastrophic meteorite impact.阿耳瓦雷茨, 路易斯·沃尔特（1911-1988, 美国物理学家, 1980年与其子从白垩纪第三纪沉积物里发现了铱, 于是提出铱产生于灾难性陨星撞击的观点）。