Short answers, pulled from the story.
Albert Einstein and Chaim Weizmann co-founded the Hebrew University of Jerusalem in July 1918. A cornerstone for the institution was laid on the 24th of July 1918 before the university officially opened its doors on Mount Scopus on the 1st of April 1925.
The Hadassah medical convoy massacre occurred in April 1948 when seventy-nine people died while traveling between Israeli-controlled areas and the Mount Scopus campus. The Jordanian government denied Israel access to Mount Scopus following the war causing classes to move into forty different buildings scattered across Jerusalem.
Fifteen Nobel Prize winners have been affiliated with the Hebrew University of Jerusalem including eight alumni and teachers. Two Fields Medalists and three Turing Award winners also connect to its history alongside four Israeli prime ministers who graduated from the school.
The Givat Ram campus opened in western Jerusalem and completed construction in 1958 housing faculties of science including the Einstein Institute of Mathematics. Ein Kerem hosts the Faculties of Medicine and Dental Medicine alongside the Israel-Canada Research Institute while the Robert H. Smith Faculty of Agriculture operates in Rehovot.
The university opened its doors on Mount Scopus seven years after the cornerstone was laid on the 24th of July 1918. That opening ceremony took place on the 1st of April 1925 attended by British dignitaries including Winston Churchill.