Final answer:
Michael Ondaatje, born in Ceylon, is the bestselling author of "The English Patient" and immigrated to Montreal in the 1960s. He is not to be confused with Salman Rushdie, author of "Midnight's Children".
Step-by-step explanation:
The bestselling author of "The English Patient" who was born in Ceylon (now Sri Lanka) and emigrated to Montreal in the 1960s is Michael Ondaatje. This novel has received widespread acclaim and contributed to his reputation as a prominent figure in the literary world. It's important to distinguish his work from that of other notable authors such as Salman Rushdie, who is known for "Midnight's Children," which won the Booker Prize and was also deemed the best of all Booker winners in 2008.