MEXICO CITY - OCTOBER 25: Jim Clark races during the 1964 Mexican Grand Prix at the Autodromo Hermanos Rodriguez on October 25, 1964 in Mexico City, Mexico. (Photo by Robert Riger/Getty Images)
MEXICO CITY - OCTOBER 25: Jim Clark races during the 1964 Mexican Grand Prix at the Autodromo Hermanos Rodriguez on October 25, 1964 in Mexico City, Mexico. (Photo by Robert Riger/Getty Images)