William Lewis Sachtleben (died in Fort Lauderdale, Florida on December 13, 1953) was a nineteenth-century American journalist and lecturer who was one of the early globe-circling bicyclists, at one time holding a world record for long-distance bicycling. He was a graduate of Washington University His attempt in 1895 to rescue, recover, or achieve justice for fellow cyclist Frank Lenz, who had disappeared in Turkey at the time of the massacres of Armenians, was seen as akin to the earlier search for David Livingstone in Africa. He later went exploring for fortune and entered the business world.
- Aivazian, Gia. "The W. L. Sachtleben Papers on Erzerum in the 1890s" in Armenian Karin/Erzerum. UCLA Armenian History and Culture Series: Historic Armenian Cities and Provinces, 4. Ed. Richard G. Hovannisian. Costa Mesa, CA: Mazda Publishers, 2003, pp. 223-251.
- Allen, Thomas G. and William L. Sachtleben. Across Asia on a Bicycle. New York: The Century Co., 1897.
-  "TO SEARCH FOR F.G. LENZ; William Sachtleben to Try to Find the Missing Bicyclist. WILL PROCEED DIRECT TO ARMENIA Lenz Was Last Heard from at Tabrees, and May Now Be a Prisoner -- A Difficult Undertaking". The New York Times. March 1, 1895.
- Herlihy, David Herlihy. The Lost Cyclist: The Epic Tale of an American Adventurer and His Mysterious Disappearance. Boston: Houghton Mifflin Harcourt, 2010. ISBN 978-0-547-19557-5.
- http://books.google.co.kr/books?id=CGmICUWE7bgC&pg=PA10&dq=%22william+sachtleben%22+-herlihy+obituary&hl=ko&ei=3xIcTK7sI8S3cdOyteUM&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCQQ6AEwAA#v=onepage&q&f=false - gives date and place of death.
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