"Next to Pearce Woods OSCA you can see Dr. Leon Frank Becker's beautiful 500 TRC s/n 0662 MDTR, which he used to drive between 1957 till 1960. At Riverside 1958 he qualified in 34th position and finished 17th OA. In all 4 500 TR/TRC started at Riverside. Weiss with s/n 0636 , Glyer with s/n 0650, Beckers 0662 and Alan Markelson with 0668 MDTR, taking position 2 to 4 in class EM."