Short answers, pulled from the story.
The newspaper traces its founding to January 1925 when Jacob Landau established The Palestine Bulletin. It officially launched as The Palestine Post on the 1st of December 1932 after incorporating The Palestine Bulletin.
Four people died in the explosion including three employees who worked for the newspaper and a typesetter. Two residents living in a nearby block of flats were also among the casualties.
The paper changed its name to The Jerusalem Post two years after the State of Israel was declared in 1950. This renaming occurred during the British Mandate period before the statehood declaration.
Pro-Iranian actors hacked JPost.com homepage replacing it with an image depicting a bullet shot from a red ring on a finger. The caption read we are close to you where you do not think about it during the second anniversary of the Assassination of Qasem Soleimani.
David Horovitz took over as editor-in-chief on the 1st of October 2004 and moved the paper back toward the center. He succeeded Bret Stephens who had joined as editor-in-chief in 2002.