on ▁is ▁a ▁Spanish ▁and ▁French ▁surname ▁and ▁refer ▁to ▁the ▁following ▁people : ▁ ▁Gabriel ▁Gir ón ▁( born ▁ 1 9 8 8 ), ▁Mexican ▁basketball ▁player ▁ ▁José ▁Antonio ▁Gir ón , ▁Fal ang ist ▁politician ▁ ▁Pedro ▁Gir ón ▁( disambiguation ), ▁several ▁people ▁with ▁this ▁name ▁ ▁Soc or ro ▁Gir ón , ▁a ▁Puerto ▁R ican ▁historian ▁ ▁Mar cos ▁Gir on , ▁American ▁tennis ▁player ▁ ▁Places ▁ ▁Gir on , ▁France ▁ ▁Gir on , ▁the ▁Sam i - language ▁name ▁of ▁Kir una , ▁Sweden ▁ ▁Gir ón , ▁Sant ander , ▁a ▁town ▁in ▁Colombia ▁ ▁Play a ▁Gir ón , ▁location ▁of ▁the ▁failed ▁ 1 9 6 1 ▁Bay ▁of ▁P igs ▁In vas ion ▁ ▁Gir ón , ▁Az u ay , ▁a ▁town ▁and ▁canton ▁in ▁E cuador ▁ ▁O thers ▁Gir ón ▁( new sp aper ), ▁official ▁organ ▁of ▁the ▁Commun ist ▁Party ▁provincial ▁committee ▁in ▁Mat anz as , ▁Cuba <0x0A> </s> ▁Jo achim ▁Le il ich ▁( born ▁ 1 9 4 9 ) ▁is ▁an ▁emer it us ▁professor ▁of ▁philosophy ▁at ▁the ▁University ▁of ▁Ant werp , ▁of ▁German ▁origin , ▁who ▁formerly ▁held ▁positions ▁as ▁a ▁t utor ▁and ▁student - ass istant ▁at ▁the ▁university ▁of ▁Frankfurt . ▁His ▁main ▁research ▁topics ▁are ▁analyt ical ▁philosophy , ▁phenomen al ▁conscious ness , ▁Ludwig ▁W itt gen stein , ▁and ▁freedom ▁of ▁the ▁will . ▁He ▁obtained ▁his ▁Ph D ▁under ▁super