WASHINGTON - NOVEMBER 05:  U.S. President George W. Bush (R) hangs a Presidential Medal of Freedom on the neck of National Human Genome Research Institute Director Francis Collins (L) during a presentation ceremony for the 2007 recipients in the East Room of the White House November 5, 2007 in Washington, DC. The Medal of Freedom is given to those who have made remarkable contributions to the security or national interests of the United States, world peace, culture, or other private or public endeavors. Getty Images logo Getty Images 24 months ago

WASHINGTON - NOVEMBER 05: U.S. President George W. Bush (R) hangs a Presidential Medal of Freedom on the neck of National Human Genome Research Institute Director Francis Collins (L) during a presentation ceremony for the 2007 recipients in the East Room of the White House November 5, 2007 in Washington, DC. The Medal of Freedom is given to those who have made remarkable contributions to the security or national interests of the United States, world peace, culture, or other private or public endeavors.