WASHINGTON, March 29 t ANS) —Congress reacted angrily todayto the disclosure that 53 American soldiers had died at a prisoner of war canvp in Heppenheun, Germany, as the result of brutal treat- j ment imposed by a sadistic Nazi Icommander, who let them perishof starvation and medical neglect [Conditions in the Heppenheim hospital were described in a dis- j patch yesterday by Stars and jStripes correspondent Ed Lawrence, who said that surviving Yank captives attributed theirinhuman treatment to a Wehr-macht surgeon who “hated Amer-icans’ guts/* Prisoners of other nationalities were reportedly welltreated.}Some members demanded that the IT. S. protest immediately what they termed an outright violation (Continued on page S)