Canvas white pigment and calcium carbonate is rather brittle and susceptible to cracking. As lead-based paint is poisonous, care has to be taken in using it. Various alternative and more flexible canvas primers are commercially available, the most popular being a synthetic latex paint composed of titanium dioxide and calcium carbonate, bound with a thermo-plastic emulsion. Many artists have painted onto unprimed canvas, such as Jackson Pollock, Kenneth Noland, Francis Bacon, Helen Frankenthaler, Dan Christensen, Larry Zox, Ronnie Landfield, Color Field painters, Lyrical Abstractionists and others. Staining acrylic paint into the fabric of cotton duck canvas was more benign and less
Portrait of Jack Hunter personal meeting with Feshin took place. Fechin expressed a wish to paint a portrait of Jack R. Hunter in gratitude for his help with moving artist family's to America and it's was done. Since 1923 until recently "The Portrait of Jack R. Hunter" was kept in the family of a collector. In 1958 soon after artist dead Jack Hunter wrote the memories of Fechin at the request of the daughter of the artist Iya Nikolaevna Feshin-Branham. In the middle of 2010 "Portrait of Jack R. Hunter" appeared in the art market and was put up for sale by one of