Who is Robbie Lichtenstern from Metal Men: Marc Rich and the 10-billion-dollar Scam and what is their importance?

Marc Rich's most well-liked trader was Robbie Lichtenstern who served as Rich's aluminum chief. Lichtenstern was a good trader but would never cheat his customers. He grew weary of the corruption at Rich's company and decided to leave. Unfortunately, he died of natural causes before he got to leave.