Possible Clues:

• __ Musk, tech entrepreneur
• X AE A-12 Musk's father
• Musk from peeled fruits?
• Inventor Musk
• Musk raised in Pretoria
• Southern university or the town it's in
• SpaceX's Musk
• College town in North Carolina
• Snickers
• School located in North Carolina's Piedmont Triad