Jesse Gause and Sidney Rigdon ordained to the first, First Presidency. D&C 81 revealed and recorded in the Kirtland Book of Revelations. Smith may have chosen Jesse Gause, a recent convert, for such a high position due to Gause's experience with the Shaker communal society. Rigdon also had experience living communally.
[Source: Exploring Mormonism: The Law of Consecration Timeline, http://www.exploringmormonism.com/the-law-of-consecration-timeline/]