President Pusey's new assistant for community affairs will report to the Corporation within two weeks with proposals for Harvard action to increase low and moderate income housing in Cambridge and Boston.

The appointment of the assistant, Edward S. Gruson, had been announced on April 8, but at that time it was not to ive date has been stepped up, however, become effective until July 1. The effect-and Gruson began work yesterday.

Before his appointment to the post here, Gruson was president of a non-profit development corporation associated with the Yale New Haven Medical Center. Two weeks ago, he said one of his major concerns there was arranging for low-income housing for families in the vicinity of the Yale Medical Center.

As assistant to the President for Community Affairs, Gruson will advice Pusey on local relations--a job formerly handled, along with advising on state and Federal relations, by Charles P. Whitlock, assistant to the President for Civic and Governmental Relations. Whitlock will continue to aid Pusey on state and Federal affairs.