millionaire oilman pickens who wrote "the first billion is the hardest" in 2008 — Crossword Clue

What is the answer to the crossword clue „millionaire oilman pickens who wrote "the first billion is the hardest" in 2008“. We have found 1 Answers for: „millionaire oilman pickens who wrote "the first billion is the hardest" in 2008“. Try to find some letters, so you can find your solution more easily.