Reed Erickson (1917-1992) was an American trans man best known for his philanthropy that, according to sociology specialist Aaron H Devor, largely informed "almost every aspect of work being done in the 1960s and 1970s in the field of transsexualism in the US and, to a lesser degree, in other countries."
Atchison is a city and county seat of Atchison County, Kansas, United States, and situated along the Missouri River.
 As of the 2010 census, its population was 11,021.
 The city is named in honor of David Rice Atchison, United States senator from Missouri, and was the original eastern terminus of the Atchison, Topeka and Santa Fe Railway.
 Atchison was the birthplace of aviator Amelia Earhart, and the Amelia Earhart Festival is held annually in July.
 Atchison is also home of Benedictine College, a Catholic liberal-arts college.
Kenneth Allen Fox is an American business man best known as an entrepreneur and investor.
 He was a co-founder of Internet Capital Group who has gone on to form Stripes Group, Sentinel Fund, Syndero and A10 Capital.
David Rice Atchison (August 11, 1807January 26, 1886) was a mid-19th century Democratic United States Senator from Missouri.
 He served as President pro tempore of the United States Senate for six years.
 Atchison served as a major general in the Missouri State Militia in 1838 during Missouri's Mormon War and as a Confederate brigadier general during the American Civil War under Major General Sterling Price in the Missouri Home Guard.
 He is best known for the questionable claim that for one day (March 4, 1849) he may have been Acting President of the United States.
 This belief, however, is dismissed by nearly all historians, scholars, and biographers.
Henry Oscar One Bull (Lakota: "Tȟatȟáŋka Waŋžíla" in Standard Lakota Orthography) (circa 1853-1947) was a Lakota Sioux man best known for being the nephew and adopted son of the holy man, Sitting Bull.
 He was also the younger brother of White Bull, a famous Lakota warrior and chief contributor to Stanley Vestal's biography of their uncle.
 He wore his uncle's shield during the Battle of Little Bighorn.
 One Bull joined his uncle in fleeing to Canada following the Battle of the Little Bighorn in 1876.
 Sitting Bull's band remained in the "Grandmother's Country" until he surrendered in North Dakota in 1881.
 One Bull stood by Sitting Bull at his surrender.
George C. Parker (March 16, 1860 – 1936) was an American con man best known for his surprisingly successful attempts to "sell" the Brooklyn Bridge.
 He made his living conducting illegal sales of property he did not own, often New York's public landmarks, to unwary immigrants.
 The Brooklyn Bridge was the subject of several of his transactions, predicated on the notion of the buyer controlling access to the bridge.
 Police removed several of his victims from the bridge as they tried to erect toll booths.
Fred Thomas Perris (January 2, 1837 – May 12, 1916) was Chief Engineer of the Atchison, Topeka, and Santa Fe Railroad, who oversaw the construction of the last leg of the 2nd Transcontinental Railroad from Barstow, California through  Cajon Pass and down to San Bernardino and Los Angeles, a task that employed six thousand laborers, and is still in use by BNSF Railway and Union Pacific Railroad He also laid, track from Riverside, California to San Diego, California laying out a series to town sites along the track, one of which, Perris, California was named in his honor.
 The city of Perris, California, a station on the California Southern Railroad, was named in his honor.
(Its Cajon Pass.
 Not El Cajon Pass according to Chard Walkers "Cajon.
 Rail Passage To The Pacific")
Scott Thorson (born January 23, 1959) is an American man best known for his relationship with and lawsuit against the entertainer Liberace.
Isaac Roberts (27 January 1829 – 17 July 1904) was a Welsh engineer and business man best known for his work as an amateur astronomer, pioneering the field of astrophotography of nebulae.
 He was a member of the Liverpool Astronomical Society in England and was a fellow of the Royal Geological Society.
 Roberts was also awarded the Gold Medal of the Royal Astronomical Society in 1895.
Artemus Ogletree (1900-1915 – January 5, 1935) was an American man best known for being murdered in room 1046 of the Hotel President in Kansas City.

Question: Atchison is a city named in honor of of man best known for the questionable claim that for one day he may have been what?
Answer: Acting President of the United States