In 1994 the white house named Dr RuthR. Faden chairperson of the federal advisory committee of experts they assigned to do a report on the history and ethics of the government's radiation experiments on humans in the 1950's and1960's.
Correct idiom: "assign someone to do something" 所以只有A&E留下 they只能指代experts, 可是邏輯不通. 全補: In 1994 the white house named Dr RuthR. Faden chairperson of the federal advisory committee of experts that it(the white house) assigned to do a report on the history and ethics of the government’s radiation experiments on humans in the 1950’s and 1960’s.