Daniel Carroll Toomey is considered a leading authority on the Civil War in Maryland. A graduate of the University of Maryland, he is the author or co-author of ten books relating to that subject including The Civil War in Maryland, Baltimore During the Civil War, and The Maryland Line Confederate Soldiers Home. He has lectured for a number of colleges and institutions including Johns Hopkins University and the Smithsonian Institution.

Mr. Toomey has won numerous awards for his historical research and exhibits including the Gettysburg National Battlefield Award in 1985 and he was the recipient of the Peterkin Award given by the National Parks Service at Fort McHenry in 2001. His two fondest accomplishments are writing the inscription for the Maryland Monument at Gettysburg and playing on the first ever Howard County lacrosse team in 1964.

Dan is currently the Guest Curator at the Baltimore & Ohio Railroad Museum for their five year project entitled The War Came by Train commemorating the 150th anniversary of the Civil War.