All Authors

Tim Hall is managing editor of the New York Hangover . More >>

RICHARD P. HALLION has been the U.S. Air Force Historian and was one of the founding curators of the National Air and Space Museum. More >>

Christopher Hallowell is a professor of English and journalism at Baruch College, City University of New York, and is the author of Growing Old, Staying Young , a book about aging and gerontological research published by William Morrow & Co. More >>

LINDA HAMILTON, a freelance writer, lives in Oakland, California. More >>

William Hammack is a professor of chemical and biomolecular engineering at the University of Illinois who has pioneered new and novel approaches to engineering outreach.

From 1999 to 2006, Prof.

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Douglas Hand is a free-lance writer with an interest in science, and lives in New York. He has written for Smithsonian, Life , and Geo . More >>

James R. Hansen is chairman of the history department at Auburn University. More >>

FRED HAPGOOD is a science and technology writer in Boston, Massachusetts. More >>

John S. Harris is a professor of English at Brigham Young University and an aircraft builder and pilot. More >>

Kirby J. Harrison is a photojournalist living in Hammondsport, New York. More >>

Stephen Hawking is the former Lucasian Professor of Mathematics at the University of Cambridge and author of A Brief History of Time which was an international bestseller. More >>

Michael D. Haydock is the author of City Under Siege: The Berlin Blockade Airlift and is a frequent contributor to American History, Military History, Army Times, Buffalo Spree, and other publications. More >>

Jeff Hecht, a science writer in Massachusetts, is the author of City of Light: The Story of Fiber Optics (Oxford University Press, 1999), from which this article is adapted. More >>

Thomas A. Heppenheimer is a frequent contributor to Invention & Technology. More >>

David V. Herlihy is a freelance writer living in Boston, Massachusett, and the author of Bicycle: The History and The Lost Cyclist: The Epic Tale of an American Adventurer and His Mysterious Disappearance. More >>

George W Hilton is a professor of economics at UCLA. More >>

Lynn Hinds, a former broadcast journalist, is an associate professor of broadcast news at West Virginia University. More >>

PHAEDRA HISE is a freelance business and aviation journalist and the author of Pilot Error: Anatomy of a Plane Crash . She is also a private pilot. More >>

Steven R. Hoffbeck teaches American history at the University of North Dakota. More >>

Larry C. Huffman, P.E., is a mining engineer who lives in Butte, Montana. More >>

Gen. John Hoover entered the U.S. Army in 1943 and retired in 1978. He holds degrees from West Point and Georgetown University. More >>

Mary Blye Howe is a freelance writer living in Duncanville, Texas. More >>

BENJAMIN RYDER HOWE is a senior editor at The Paris Review . More >>

Thomas P. Hughes is Professor Emeritus of the History and Sociology of Science at the University of Pennsylvania and Distinguished Visiting Professor, Massachusetts Institute of Technology. More >>

Tom Huntington is a Senior Editor of American Heritage and a frequent contributor to Invention & Technology. His writing has also appeared in Smithsonian, Civil War Times, America's Civil War, Yankee, America in WWII, and many other p More >>

Thomas Huntington is the managing editor of Air & Space magazine. More >>