Congressman Al Gore had studied under Revelle .
Was aware of the developing science : Congressman joined others in arranging congressional hearings from 1981 onwards , with testimony by scientists including Revelle , Stephen Schneider and Wallace Smith Broecker .
Congressman Al Gore had studied under Revelle and was aware of the developing science : he joined others in arranging congressional hearings from 1981 onwards , with testimony by scientists including Revelle , Stephen Schneider and Wallace Smith Broecker .