Today everybody knows about Diesel engines. They are everywhereon streamlined trains, long-distance trucks, planes, ships, submarines. The fire-fated German dirigible Hindenburg was Diesel-powered; so was the big snow cruiser that Admiral Byrd shipped to Antarctica. But in the U. S. few know about the man whose name goes on the engines. Indeed, the word is often written lowercase. In the Encyclopaedia Britannica, Rudolf Diesel's biography gets just six lines.
In Germany last year appeared the first substantial biography of Rudolf Diesel, written by his son, Eugen. Last week in the U. S., Physicist...