ALAN E.RUBIN is a geochemist at the University of California, Los Angeles, whose research has focused on shock effects in meteorites and the nature and origin of their chondrules.

• 鲁宾是美国加州大学洛杉矶分校的地球化学家，他的研究著重于陨石中的冲击效应及球粒的性质及来源。