Tom Lehrer died Saturday at age 97.  He wrote and performed "Wernher Von Braun" and other satirical songs.  But his main gig was as a mathematician.  Here is one of his ditties, "That's Mathematics!"

RIP

edit:

May Allah enlighten me to comprehend the end of infinity, nothingness and what lies outside observable universe and if possible confirm space time relation, reason for speed of light limitation and where are your headquarters...and finally does prayer override your own laws.