Let's do another 100 year leap back to 1918.
Modern fantasy artists study the works of Frank Frazetta and Roy Krenkel. They were both students of J. Allen St. John. In 1918 the serialized Tarzan And The Jewels Of Opar was published in book form, with illustrations from St. John.
Here's the look of fantasy & space opera 100 years ago -
illustrations by J. Allen St. John for Tarzan & The Jewels Of Opar (1918)
