Question

it may be said that ...... was the
founder of modern historiography

Answer 1

Leopold von Ranke (1795–1886) at Berlin was a pivotal influence in this regard, and was the founder of modern source-based history. 

Answer 2

Leopold von Ranke (1795–1886) at Berlin was a pivotal influence in this regard, and was the founder of modernsource-based history. According to Caroline Hoefferle, "Ranke was probably the most important historianto shape historical profession as it emerged in Europe and the United States in the late 19th century."