John W. Marr, Observing Colorado Ecosystems
John W. Marr 1914-1989 Through his teaching and research at the University of Colorado, Boulder, John Marr introduced many students to the ecology of the Front Range of Colorado. In 1951, he founded the Mountain Research Station (today known as INSTAAR), which has introduced hundreds more students—as well as researchers from around the planet—to Niwot Ridge, now a designated LTER,…