Possible Clues:

• Tech boss Musk
• Musk of 45-Across
• '___ Musk Debuts New Self-Parenting Child' (May 2020 headline in the Onion)
• North Carolina school near Burlington
• First name of Time's 2021 Person of the Year
• Pretorian prename in the paper
• First name among billionaires
• First name at SpaceX
• University near Duke
• Southern university named for its town