A retired male, I've spent most of my life in the Pacific Northwest, but have lived briefly in Texas, New Mexico and Hawaii. My interests are the natural and physical sciences, the Washington region, and occasionally current events. My education is in physics (BS) and astronomy (MS), but my professional experience has been in mechanical, optical and electrical engineering. I started editing in 2005 and have more than 10,000 edits on Wikipedia. I have added almost 6100 images to Wikimedia Commons including photographs of nearly 650 species of biota.
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More images — Awards
Featured articles to which I contributed
National Parks and Monuments
Olympic National Park (Hoh Rain Forest), Mount Rushmore, Navajo National Monument, Lassen Volcanic National Park (Chaos Crags), Mount Rainier National Park (Mount Rainier), Lava Beds National Monument, Devils Tower National Monument, Bandelier National Monument, Cascade-Siskyou National Monument, Halema`uma`u crater, North Cascades National Park (Mount Triumph DYK)
National Forests and Wildernesses
Okanogan National Forest, Wenatchee National Forest, Mount Baker-Snoqualmie National Forest, Shoshone National Forest, Mount Baker Wilderness (Mount Baker), Norse Peak Wilderness, Glacier Peak Wilderness, Henry M. Jackson Wilderness, Alpine Lakes Wilderness
Plants and animals
Grand Fir, Subalpine Fir, Western Redcedar, Yellow-cedar, Sitka spruce, Mountain Hemlock, Lodgepole Pine, Whitebark Pine, Bigleaf Maple, Vine Maple, Red Alder, Aspen, Douglas Squirrel, Red deer, Hoary Marmot, Western fence lizard, Golden-crowned Kinglet, American Bittern, Bushtit, Cascades Frog, Golden-mantled Ground Squirrel, Long-toed Salamander, Sara's Orangetip, Arctostaphylos uva-ursi, Caltha leptosepala, Iris missouriensis, Veronica arvensis, Thalictrum occidentale
Odds and ends
Retreat of glaciers since 1850, Serac, Boulder Glacier, Easton Glacier, Ok Tedi, Ok Tedi Mine, Freedom of speech, Effect of Hurricane Katrina on New Orleans, Edmonds, Washington, Chimera, Art car, Annie Easley, Ravenna Park (Seattle), Niagara County Park, Union Bay Natural Area, Pineapple Express, Nisqually River, Skokomish River, Skykomish River, Snohomish River, Robert Friedland, Creutzfeldt-Jakob disease, Glacial striation, Tidewater glacier cycle (DYK)
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