Grant more powers to Federal Reserve Board, Cromwell tells Senate Committee. Washington, D.C., Aug 4. The Federal Reserve Board should be granted the power to 'stabilize the dollar' and increase the flow of money, James H.R. Cromwell, monetary expert and husband of tobacco heiress Doris Duke, urged as he appeared before a Senate Agriculture Subcommittee today, Cromwell also voiced his approval of a bill by Senator Elmer Thomas which the Committee is considering, 8/4/37