Original sentence: Alexander Marx (1878-1953) was an American historian, bibliographer and librarian.In 1903, Marx accepted Solomon Schechter's invitation to teach history at the Jewish Theological Seminary of America and be its librarian.Much of Marx's research in early Jewish printing remains unpublished
Edited sentence: Alexander Marx (1878-1953) was a historian, bibliographer and librarian.He had the ability to determine a manuscript's age merely by looking at it.In 1903, Marx accepted [[Solomon Schechter]'s invitation to teach history at the Jewish Theological Seminary of America and be its librarian.Marx's mastery of the materials of history and of languages was almost legendary.Much of Marx's research in early Jewish printing remained unpublished