John Hays Hammond, noted engineer, dies

On June 8, 1936, John Hays Hammond, noted mining engineer, died of a heart attack at his home in Gloucester, Mass., at the age of 81. He was born in San Francisco, Calif., March 31, 1855, and received his early education in public and private schools in that city. His professional training was received at Sheffield Scientific School, Yale University, and at the Royal School of Mines, Freiberg, Saxony, Germany.