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.

Read a column at CNN.com by Larry Alex Taunton, a Christian apologist and head of the Fixed Point Foundation who frequently debated Christopher Hitchens on religion. Taunton reflects on Hitchens’ death.

Glen Milstein is an assistant professor of psychology at City College of New York. He studies collaboration between clergy and mental health professionals, with a focus on religion.

Ramonia Lee is minister for congregational life at Interfaith Chapel in the retirement community Leisure World in Silver Spring, Md., a member of the National Interfaith Coalition on Aging and a mentor in a national program to encourage the involvement of professionals of color with aging issues.

Read an essay by Russell D. Moore, dean of the school of theology at Southern Baptist Theological Seminary reflecting on Christopher Hitchens’ death.

Read a column by Peter Hitchens, who is a devout Anglican and apologist for Christianity. Hitchens remembers his brother Christopher and reflects on how their views on faith — and other matters — divided and united them.