Sifo-Dyas was a Jedi Master before the Clone Wars who sat n the Jedi Council untill he was replaced for wanting to make an army. He was belived to have placed the order for the clones shortly before his death.
Disagreement With The CouncilEdit
Duuring his time on the Council Sifo-Dyas voiced his disire for the Republic to have an army because he forsaw a War coming. This disire ultametly led to him being demoted from the Council.