贝克，萨拉·约瑟芬1873－1945美国儿科专家和公共健康倡导者，他协助将纽约婴幼儿的死亡率降到了美国任何一个大城市的最低水平

• American social reformer whose organizational efforts were a major force behind the civil rights movement of the1950's and1960's.