UnScramble this Word: g i g v i n?

Questions

What was the term for a printers errand boy and a boy who took the printed sheets off the press?

who was the father of Cleopatras first child born 44BC?

What kind of animal is a wapiti?

Which principle first enunciated by the german physicist Werner Heisenberg in 1927 attempts to define unpredictability?

what is a zabouska?