Alexander P. Auchus is a neurologist at the University of Mississippi Medical Center with research interests in Alzheimer’s in non-Caucasians.

Read Rabbi Shmuley Boteach’s remembrance of Christopher Hitchens at The Forward.

Read Washington Post columnist and former Bush speechwriter Michael Gerson’s tribute to Christopher Hitchens written more than a year before Hitchens’ death.

Harold E. Burchett wrote Last Light: Staying True through the Darkness of Alzheimer’s, a memoir of his wife’s Alzheimer’s disease. He has been a pastor and seminary professor, and lives in Virginia Beach, Va.

Read a column at the Spiritual Politics blog by Mark Silk about Christopher Hitchens. Silk writes about Hitchens as “America’s favorite atheist” and about the affection so many people of faith had for him.

Lisa Gwyther is author of You Are One of Us: Successful Clergy-Church Connections to Alzheimer’s Families (Duke University Medical Center, 1994) and director of the Alzheimer’s Family Support program at Duke University Medical Center.

Read a column by New York Times op-ed writer Ross Douthat reflecting on Christopher Hitchens’ life.

The Rev. David Keck is a Presbyterian minister who teaches pastoral education at Duke University. He is the author of Forgetting Whose We Are: Alzheimer’s Disease and the Love of God. He is also pastor at Northgate Presbyterian Church in Durham, N.C.

At The Tablet, the online Jewish periodical, Marc Tracy explores how Christopher Hitchens’ late-in-life discovery of his Jewish roots affected his writing.