[1] Educated at University of North Carolina, he once sang in the glee club with Andy Griffith.
After working as a radio reporter throughout high school and college, Robertson received a degree in communications in 1950.
In 1953, he left military service and returned to broadcasting, working for radio and television markets in North and South Carolina and Connecticut.
About two days later, the station manager of WBT-AM came in and said, ‘Congratulations on your new job, Don.’ I didn't want them to know I was auditioning, but he said CBS had called to make sure it was okay to hire me.
As he advanced his career, Robertson also raised a family with his wife Mary, whom he married in 1951 after knowing her for six months.