Memories of Park Naturalist, Harold Wallin ID: 7562 | This file appears in: Trailside Museums To listen to this audio please consider upgrading to a web browser that supports HTML5 audio Bill Zelazny, who worked a summer job at the Brecksville Trailside Museum in the mid 1950s, shares his memories of Harold Wallin. Wallin was the Cleveland Metropolitan Park District's first Park Naturalist. | Source: Courtesy of Cleveland Metroparks Download Original File SourceCourtesy of Cleveland Metroparks "Memories of Park Naturalist, Harold Wallin" appears in: Trailside Museums