Newman 'n Hamilton was an advertising agency established by Rich Newman and Carolyn V. Hamilton in Las Vegas, Nevada in 1980. Hamilton sold her interests in the company to Newman in 1984. The agency continued to do business under different names.
Sources:
Dye, Tom. “Business as usual.” Las Vegas Review-Journal, July 8, 1984, NewsBank.
Morrison, Jane Ann. “Ex-Playboy bunny finds a life in LV.” Las Vegas Review-Journal, March 14, 1982, NewsBank.