Raymond Elmer DeWalt (October 9, 1885 – May 8, 1961) was an American inventor and entrepreneur, he invented the radial arm saw in 1922. In 1924, he founded DeWALT Products Company in Leola, Pennsylvania, to manufacture and sell the “Wonder-Worker” (his name for the radial arm saw). He was born in Oakland, Pennsylvania and died in Mechanicsburg, Pennsylvania.