Who was the director of The Good The Bad and The Ugly?

The director of the 'Good,the Bad and the Ugly' was Sergio Leone. He was famous for his "spaghitti westerns'( i.e. westerns produced by Italy, usually filmed in Spain). G,B and U was the third film in a trilogy starring Clint Eastwood as 'the man with no name'; the first was Fistful of Dollars (based on Akira Kurasawa's 'Yojimbo') and that was followed by 'For a Few Dollars More' (based on Akira Kurasawa's 'Sanjuro'). Sergio also directed 'Once Upon a Time in the West'.