[3][4] Thiele graduated in 1910 and gained admission to the bar that year, entering the practice of law in Lawrence, Kansas.
[3] Thiele successfully ran as a Republican for a seat on the Kansas Supreme Court in 1932, thereafter continually winning reelection until the state constitute was changed to make the positions appointed rather than elected.
[3] He held the sixth position of the Kansas Supreme Court until he retired and was succeeded by Alfred G.
[5] Thiele became the Chief Justice automatically when William A. Smith resigned before the end of his term.
[7] In 1962 he was appointed by the Kansas Supreme Court to be the commissioner to hear evidence for a case involving the petition for habeas corpus in relation to the trial of Richard Hickock and Perry Edward Smith who had been sentence to death by hanging for the murder of the Herbert Clutter family.