Mark Reynolds was born in Baltimore in 1944 and has lived and worked in Mill Valley, California, for decades. He holds a BS and MA in art and art education from Towson University, with advanced studies in printmaking and drawing at the University of Delaware. For over twenty-five years, he taught geometry, perspective, drawing, and printmaking to art, design, and architecture students at the Academy of Art University in San Francisco, retiring from teaching in 2016. He continues to draw every day.Reynolds works primarily on paper, using graphite, pen and ink, watercolor, and pastel to build compositions grounded in proportioning systems drawn from mathematics, music, architecture, and nature. The work is research as much as it is art-making. As Reynolds has written, the work develops through an organic process of overlays, tracings, revisions, and experimentation with geometric systems, specifically ratios and proportioning systems found in rectangles, squares, and triangles with the perimeter ratio always predetermined to define the specific geometric system at hand. The results are drawings of considerable visual elegance, arrived at through methods of genuine scholarly rigor. His drawings are in the permanent collections of the Biblioteca Comunale Leonardiana in Vinci, Italy, the Fine Arts Museums of San Francisco, and the Crocker Museum in Sacramento. He is represented by Pierogi Gallery in New York and Chandler Gallery in Mill Valley. His work has been reviewed in ARTnews, The New Yorker, and the Journal of Mathematics and the Arts, and his writings on geometric analysis have been published by Springer.