Gordon Ellis railway cartoons

My "big" Manx purchase came from the antique centre in Peel, a pair of railway cartoons. They appear to be originals; even studying them under a loupe, this seems to be the case. Mind you, I'd not have been ripped off if they were prints for the price I paid. The first is a Manx Northern Railway train. Very much in the style of Rowland Emett, but the signature says Gordon Ellis, 1948. So, who is…