Task: Explanation
Input (English): Donald Joel Aronow (March 3, 1927 – February 3, 1987) was an American designer, builder and racer of the famous Magnum Marine, Cary, Cigarette, Donzi, and Formula speedboats. He built speedboats for the Shah of Iran, Charles Keating, Robert Vesco, Malcolm Forbes, and George H. W. Bush. Retired President Lyndon Johnson owned several 16 ft. Donzi speedboats on his Texas ranch with which he would race his Secret Service agents. Question: Donald Joel Aronow designed speedboats for clients like which American entrepreneur known as the publisher of "Forbes" magazine?  Answer: Malcolm Stevenson Forbes
Output (English):  He built speedboats for the Shah of Iran, Charles Keating, Robert Vesco, Malcolm Forbes, and George H. W. Bush.