HEATHER ACKROYD and DAN HARVEY Posted on October 14, 2014December 3, 2014 by jharrower Sunbathers, 2000 Ackroyd and Harvey expose panels of grass to different levels of light to create grass paintings. See Ackroyd and Harvey’s website. Share this post: Share on X (Twitter) Share on Facebook Share on Pinterest Share on LinkedIn Share on Email Posted in Materialists and tagged Dan Harvey, grass paintings, Heather Ackroyd, Trace.