贺昌群是我国现代著名史学家，早年在商务印书馆编译所工作，通过繁重的译事，接触到大量日本和欧洲汉学的学术前沿。
He Chang qun was a famous modern Chinese historian . He knew a lot of sinological frontier of Japan and Europe through heavy translation when he worked in Commercial Press of Compilation in his early life .
贺昌群