NEW YORK.- American architect Arthur Rosenblatt, 73, died, reported The New York Times. He participated in the reshaping the Metropolitan Museum of Art. He also helped give form to the United States Holocaust Memorial Museum in Washington. From 1968 to 1986, he was responsible of architecture and planning at the Met. Among the projects at that time were: the Lehman Wing, the Rockefeller Wing, the Sackler Wing and the Temple of Dendur. From 1986 to 1988 Arthur Rosenblatt directed the Holocaust Memorial Museum. He also participated in the restoration of the New York Public Library and Bryant Park.