 Pip's middle son (and Asa's stepson) Paul Vaughan was the highly skilled printer at Trigram Press, operating the classic Gutenberg Printing Press to a very high standard and developing groundbreaking results with silkscreen images for books, limited edition prints and other outlets.Pip died on August 30, 2010 (see Guardian obituary, September 16, 2010); she is now recognised as an important post-war British modernist painter.One aspect of her work - designs for hand-woven rugs - was launched by her youngest son, Mark Vaughan, with her blessing, in 2012 (see www.landrugs.com).