KOCH, Edward Irving, a Representative from New York; born in the Bronx, N.Y., December 12, 1924; studied at City College of New York; LL.B., New York University Law School, 1948; combat infantryman with rank of sergeant, 1943-1946; admitted to the bar in 1949 and commenced practice in New York City; elected Democratic district leader of Greenwich Village, 1963-1965; delegate to State convention, 1964; elected to New York City Council, 1966; elected as a Democrat-Liberal to the Ninety-first and to the four succeeding Congresses and served from January 3, 1969, until his resignation December 31, 1977, to become mayor of New York City for the term commencing January 1, 1978; reelected mayor in 1981 and 1985; is a resident of New York City.