PERSON@1 -LRB- PERSON@2 , NUMBER@1 June NUMBER@2 - LOCATION@1 , NUMBER@3 July NUMBER@4 -RRB- , nicknamed `` El Chueco '' -LRB- `` knock-kneed '' -RRB- or `` El Maestro '' -LRB- `` The Master '' -RRB- , was a race car driver from LOCATION@2 , who dominated the first decade of Formula One racing .

PERSON@1 -LRB- June NUMBER@1 , NUMBER@2 - July NUMBER@3 , NUMBER@4 -RRB- was a legendary race car driver .
