Historiography in Breisach and Bentley

As you read the chapters on 20th century historiography in Breisach and Bentley please consider the variety of 20th century historians and historical schools of thought. (1) Is there a particular historian or group of historians in the 20th century who have made a difference in historiographical thought? - you are writing about ONE historian or ONE group/school of historians (2) Do you have some sort of affinity with any of the historians or schools discussed? In other words, who do you like, and why?