The State Assembly impeached Whitman in February 1857. Edward F. Burton served as Acting Controller from February 25, 1857 for the duration of the trial. The State Senate acquitted Whitman and he resumed his duties as Controller on April 21, 1857.
Candidates' party affiliations obtained from the 9/5/1855 Sacramento Daily Union. https://www.cdnc.ucr.edu/?a=d&d=SDU18550905.2.12.2&e=-------en--20--1--txt-txIN--------