As a schoolboy in Scotland he read Twenty Thousand Leagues Under the Seas by Jules Verne, and later stated it was an influence on his underwater pursuits.

[2] Pritchard used modified diving gear to paint underwater, setting up an easel at depths up to fifty feet, and using oil crayons and canvases specially treated to work in that environment.

[3] Pritchard traveled the world looking for new underwater scenes, with trips to Bermuda, Tahiti, the Philippines, Santa Barbara, Brazil, and several locations in the Mediterranean Sea.

[6] In another interview, Pritchard mentioned ideas for further novelty: he hoped someday to rig underwater electric lighting for "the most interesting effects".

[7] Art critic and longtime admirer Antony Anderson of the Los Angeles Times found his work "remarkable", and declared that "Truly, he is one artist among many thousands when it comes to imagination and inventiveness".