Merritt Ierley is the author of Open House: A Guided Tour of the American Home 1637-Present , published in March by Henry Holt, from which this article is adapted.

Mr. Infield’s article is based on his book The Disaster at Bari , published this month by Macmillan.

Robert P. Ingalls is emeritus professor of history at the University of South Florida, where he taught from 1974 to 2008. He also served as the managing editor of Tampa Bay History.

Steve Inskeep is host of NPR's Morning Edition, and he has been a guest on numerous TV programs including ABC’s This Week, NBC’s Meet the Press, MSNBC’s Andrea Mitchell Reports, CNN’s Insi

Julie V. Iovine is a writer based in New York. She often writes on architectural subjects.

Akira Iriye has been a professor of History at Harvard University since 1989.

—Walter Isaacson is the managing editor of Time magazine and the author of Kissinger: A Biography and a forthcoming biography of Benjamin Franklin.

Marjorie F. Iseman is a free-lance writer who not only grew up in New York hut still lives and works there today.

Maurice Isserman is a Professor of History at Hamilton College who specializes in modern U.S. History, American radical movements, and global exploration and mountaineering.