Adam Cook is the brother of American Idol winner David Cook. Adam Cook battled brain cancer, which reportedly spread to his spine. He had been undergoing chemotherapy treatments.

Adam cook passed away at 37 years old in the early hours of May 3, 2009. His death was announced by his brother David Cook while opening the Race for Hope in Washington D.C., a benefit race for brain cancer. His funeral will be on May 7, 2009, a private ceremony.People: David Cook: My Brother Was a Great Man (May 4, 2009)

Cook was first diagnosed with brain cancer in 1998. He is currently battling his second diagnosis of cancer which has spread to his spine and brain.

Cook was a lawyer up until his condition worsened. Cook was sick in bed before the news that he would be able to see his brother play.

Despite his illness, Cook was able to attend the Idol finale on May 21, 2008 to see his brother win the competition. He and wife Kendra Cook flew to Los Angeles from their home in Terre Haute, Indiana, on a private plane. Reports say the flight was paid for by an anonymous private donation.

Cook was able to see his brother compete twice during the season. In April of 2008, Cook flew to California on a chartered medical jet with medical staff handy. The flight was paid for by his friends and a local councilman. A local radio station provided a paid hotel stay across the street from the studio where Idol tapes.

"the excitement of seeing his spirits lifted so high has been wonderful."— Kendra Cook

• YouTube Video: David Cook's Brother Adam Visits AI (Time: 6:35)