Claim: Donovan, author of Doctor Salt and Julius Winsome, attracted critical acclaim with his film Schopenhauer's Telescope, which was long-listed for the Booker Prize, and which won the Kerry Group Irish Fiction Award.
Evidence: Donovan attracted immediate critical acclaim with his debut novel Schopenhauer's Telescope, which was long-listed for the Booker Prize in 2003, and which won the Kerry Group Irish Fiction Award in 2004. 
Schopenhauer's Telescope is the debut novel of Irish novelist and poet Gerard Donovan.