Timotheus is a follower of Apollinaris of Laodicea, generally assumed to be the bishop of Beirut who signed the protocol to the Council of Constantinople in 381 CE (Lietzmann, 1904, 31; Constantinople, 02: First Council of [Second Ecumenical; 381 CE]). In his letter to Homonius (see below), he refers to Apollinaris as “thrice blessed,” which seems to imply that it was written after Apollinaris’ death (395 CE at the latest). According to Valentinus he was a pupil of Polemon, with whom he later however fell out theologically. We have…