South African (1926 - 2009) He was best known for his woodcuts. Though he began as a painter, he was drawn to woodcutting and made his mark in that medium, later creating the woodcuts as the work itself by painting directly on the carved panel, rather than merely using them to create prints.
Here are some earlier Tom Swift books, this time from the twenties. Tom Swift books were a series of science fiction adventure novels published between 1910 and the 2007, numbering over 100. They were written by "Victor Appleton" which was a pseudonym for numerous ghost writers over the life of the series. Tom was usually a teenager, who was very scientifically inclined and inventive. Many of the inventions in the books directly inspired actual ones, including the TASER, which is an acronym for "Thomas A. Swift's Electric Rifle".
Arthur Hawkins, Jr. (1903-1985) was a legend of jacket design who created some of the most striking covers of the mid-twentieth century beginning in the 30's. Here are just a few examples, some from my own library, from his huge volume work. The "Postman" cover has always been a favorite of mine, though it's unsigned and I just figured out it was his.