▁today . ▁Mitchell ▁also ▁played ▁with ▁the ▁university ▁team ▁during ▁the ▁ 1 8 9 6 – 9 7 ▁and ▁ 1 8 9 7 – 9 8 ▁seasons . ▁ ▁Family ▁In ▁December ▁ 1 8 9 9 , ▁Mitchell ▁married ▁Mil ly ▁Gray ▁D umble , ▁the ▁daughter ▁of ▁Ed win ▁The odore ▁D umble , ▁who ▁was ▁then ▁the ▁State ▁Ge ologist ▁of ▁Texas ▁and ▁was ▁later ▁Cons ult ing ▁Ge ologist ▁of ▁the ▁Southern ▁Pacific ▁Rail road , ▁an ▁expert ▁in ▁pet role um ▁production . ▁ ▁The ▁Mitch ells ' ▁son , ▁All an ▁C . ▁G . ▁Mitchell ▁( 1 9 0 2 – 1 9 6 3 ), ▁was ▁chair ▁of ▁the ▁Indiana ▁University ▁Physics ▁Department ▁from ▁ 1 9 3 8 – 1 9 6 3 ▁and ▁pione ered ▁the ▁creation ▁of ▁the ▁IU ▁Cy cl ot ron ▁Fac ility ▁in ▁ 1 9 4 1 ▁( one ▁of ▁the ▁first ▁in ▁the ▁world ). ▁ ▁The ▁Mitch ells ' ▁grand d augh ter ▁is ▁the ▁econom ist ▁Alice ▁Mitchell ▁Riv lin . ▁ ▁Mitchell ▁died ▁in ▁Blo om ington , ▁Indiana . ▁ ▁References ▁" History ▁of ▁the ▁McC orm ick ▁Observ atory : ▁Samuel ▁Alfred ▁Mitchell " ▁bio , ▁Department ▁of ▁Astronom y , ▁University ▁of ▁Virginia . ▁ ▁External ▁links ▁▁▁ ▁Category : 1 8 7 4 ▁birth s ▁Category : 1 9 6 0 ▁death s ▁Category : American ▁astronom ers ▁Category : Univers ity ▁of ▁Virginia ▁fac ulty ▁Category :