George W. Bush: “She fought tirelessly to increase funding for Alzheimer's research and raise public awareness of the disease.”

Is it in our interest that 25 million people who would have died now live? I think it is. On behalf of a grateful nation, thank you for your hard work and God bless you.

Is it in our national interests that 25 million people who would have died now live? I think it is, and so do you.

You've showed the great strength of America through your work—and that is your good heart.

We are heartbroken by the loss of life and the agony so many are feeling.