Dale Harbison Carnegie was an American writer and lecturer and the developer of famous courses in self-improvement, salesmanship, corporate training, public speaking, and interpersonal skills. Source: wikipedia
Dale Carnegie (duplicate)
Author details
- Born:
- Nov. 23, 1888
- Died:
- Oct. 31, 1955
External links
Dale Harbison Carnegie was an American writer and lecturer and the developer of famous courses in self-improvement, salesmanship, corporate training, public speaking, and interpersonal skills. Source: wikipedia
