Congress gets huge petition for reduction of federal tax on earned incomes. Led by many of America's outstanding personages in professional life, a parade marched down Pennsylvania Avenue today with a truckload of petitions bearing the signatures of millions of tax payers who demand a substantial reduction in the Federal Tax on earned incomes. The petition was presented to the chairman of the House and Senate Finance Committees. In the center of the photograph can be seen, left to right: William Howard Black, justice of the Supreme Court of New York; Mae Murray, movie star; Isaac Gans, Washington business leader; Senator Reed Smoot, chairman of Senate Finance Committee; Rep. Willis C. Hawley, chairman of House Finance Committee; and Rep. Sol Bloom of New York