In 1985 Garth Clark, a 57th Street crafts dealer, organized the first gallery exhibition of Ohr's pots, a show of loans from pioneer collectors.
He was also a pioneer collector of Art Nouveau, especially Tiffany lamps and glass vases.
Although pioneer collectors began acquiring fish decoys 20 years ago, most major holdings have been assembled in the last 10 to 15 years.
As pioneer collectors of folk art, decades before museums acquired and exhibited it, Bert and Nina Little shared their knowledge.
Mr. Kauffmann, a pioneer collector of the glass of Louis Comfort Tiffany, was 79 years old at his death on July 30.
Unrelated as these points are, they merge in the person of William T. Evans (1843-1918), an adoptive American who was a pioneer collector of American art.
Caroline Ryan Foulke, a pioneer collector of Americana in the 1940's and 50's, donated the six pieces now for sale.
And by the late 70's, Andy Warhol was one of the pioneer collectors.
The near-abstract study was in the holdings of Edith Gregor Halpert, an art dealer and pioneer folk-art collector.
Mrs. Blair was a pioneer collector of American decorative arts, some of which are now in the collection of the Metropolitan Museum.