According to the Internet source given below, Charles Cohen was an American musician born in Kansas of German descent.
Of ragtime interest is his characteristic march
Tatters (1906) published by
Sam Fox Pub. Co., Cleveland, Ohio, USA.
He died in Cleveland, Ohio.
Due credit and thanks to
"Perf" Bill Edwards and his researchers for teasing out the works by the other Chas. Cohens namely:
Chas. Cohen (1878-1931) and
Arthur Charles Cohen (1875-1939)