The Collaborative International Dictionary of English v.0.48:
Logician \Lo*gi"cian\, n. [Cf. F. logicien.] A person skilled in logic. --Bacon. [1913 Webster] Each fierce logician still expelling Locke. --Pope. [1913 Webster]WordNet (r) 3.0 (2006):
logician n 1: a person skilled at symbolic logic [syn: logician, logistician]