He was the creator and host of The Magic of Oil Painting (1974–1982) television series that ran on PBS in the United States.
Later, known as Bill Alexander, he began hosting television shows focused on painting education and his methods.
These artists started with Lowell Speers and included Robert Warren, Sharon Perkins and Diane André.
Alexander refers here to Bob Ross using some of his individual patter like "happy little trees" and borrowing some of his unique peculiarities.
[6] Art historians have pointed out that the "wet-on-wet" (or alla prima) technique actually originated in Flanders during the 15th century, and was used by Frans Hals, Diego Velázquez, Caravaggio, Paul Cézanne, John Singer Sargent, and Claude Monet, among many others.