1) Arthur or Rube 2) Cartoonist 3) Comedian Whoopi 4) German surname 5) Ghost Oscar winner 6) Reuben lucius goldberg 7) Rube goldberg 8) Secretary of Labor 9) Toponymic surname Found on https://www.crosswordclues.com/clue/goldberg
1908–90, U.S. jurist, statesman, and diplomat: associate justice of the U.S. Supreme Court 1962–65; ambassador to the U.N. 1965–68. · (“Rube”), 1883–1970, U.S. cartoonist, whose work often depicts deviously complex and impractical inventions. Found on https://www.infoplease.com/dictionary/goldberg