William Patrick Corgan, Jr. (born March 17, 1967 in Elk Grove Village, Illinois) is an American singer, songwriter, guitarist and occasional poet. Corgan is the vocalist and lead guitarist for alternative rock band The Smashing Pumpkins. When the band broke up in 2000, Corgan went on to form the short-lived Zwan with former Pumpkins drummer Jimmy Chamberlin. After releasing a solo album and a collection of poetry, Corgan reformed The Smashing Pumpkins with Chamberlin in 2006. Chamberlin departed the band in March 2009, leaving Corgan as the only original member.