Thelma Frazier was a sculptor, painter, and enameller, who worked early in her career at Cowan Pottery and collaborated with her husband Edward Winter on many art projects. She wrote a book entitled The Art and Craft of Ceramic Sculpture (pub 1973).

Although she was probably associated with them earlier, Thelma officially joined Cowan Pottery Company in 1929 upon her graduation from the Cleveland School of Art. In 1930, her forthcoming marriage to Dr. Henry Welch was announced (in an undated news clipping attached to a scrapbook page for 1930). This wedding either did not occur, or was short lived, since Thelma Frazier was again listed as an entrant in the 1930 May Show (though perhaps entered under her maiden name)....