The process that gives rise to the hindbrain. This process pertains to the initial formation of a structure from unspecified parts. The hindbrain is the region consisting of the medulla, pons and cerebellum. Areas of the hindbrain control motor and autonomic functions. [ GOC:dph GOC:dgh GOC:jid http://openisbn.com/search.php?q=0838580343&isbn=1/ GOC:cls http://purl.obolibrary.org/obo/go/references/0000021 ]