Dr Andrew Holt is Professor of History at the University of Florida. His website can be found at apholt.com
I first saw the site on twitter as it advertised an interview with eminent Crusades historian, Professor Helen Nicholson on the state of Crusades studies HERE …
Amongst other things, Dr Holt’s site also includes a series of contributions from other historians on the ‘most influential Crusades historians’ and ‘the most important books’ on the Crusades.
Hope it’s helpful!