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To ready Paula Modersohn-Becker's “Self Portrait“ (1907) for MoMA's reopening in October, conservator Diana Hartman tackles the question of how to repair holes in the painting’s canvas. She figures out that a curved needle typically used in eye surgery might allow her to avoid removing the work from its original stretcher. And her inventiveness doesn’t end there: Using an adhesive made from a sturgeon bladder, she secures linen thread to the needle to darn the pieces back together with the help of a microsc
