In China, Fung Chak was renowned as a translator of hymns and patriotic songs, Paul studied traditional Chinese art, which included painting cherry blossoms on delicate fans.

After working as an assistant on Billy DeBeck's Barney Google in the early 1920s, Fung moved on to do several other strips, A Guy from Grand Rapids, Bughouse Fables and Gus and Gussie.

[5] When creator Chic Young left Dumb Dora and its topper panel When Mother Was a Girl to launch Blondie, Fung became his replacement in April 1930.

Interviewed by Will Eisner, Milton Caniff recalled: During the late 1930s, Fung worked as an assistant on Cliff Sterrett's Polly and Her Pals.

The Dumb Dora strip came to an end in 1934, but Fung drew the character again during the early 1940s as part of an advertising campaign for Shredded Ralston cereal.