 His pioneering work in residential solar technology led to lectures at the Smithsonian Institution, solar conferences and universities across the U.S. Crowther's architecture publications are still used to teach students.His "Sun-Earth" text has a reputation for setting a benchmark in holistic architecture design, with arguments outlining economic and environmental benefits.He practiced what he preached, both by living and working in holistically designed spaces, and by a diet replete with organic and natural foods.