DIESEL, RUDOLF

(1858-1913), a German inventor, b, in Paris, France. He was educated, first in England, then in Munich, Germany, later being manager of a refrigerating plant in Paris. Here he began experimenting in mechanics, being especially interested in perfecting an internal combustion engine. By 1893 he had attracted considerable attention, and in 1897 he first produced the engine which has since been a ociated with his name, and which had so important a part in the World War as the motive power of the German submarines. In 1912 he came to the United States to deliver a series of lectures, and while here received an invitation from the British Admiralty to come to London for a conference, He was drowned in the English Channel while on the way to the proposed interview. He wrote a great deal on mechanics, his best known book being Theory and Construction of a Rational Heat Motor.