Paul, Silvanus, and Timothy, to the assembly of the Thessalonians in God the Father and the Lord Jesus Christ: Grace to you and peace from God our Father and the Lord Jesus Christ.
First and 2 Thessalonians are the only Pauline Epistles in which Paul did not elaborate on his name or the names of his fellow writers. This probably implies that his relationship with the Thessalonians was good and stable. [Note: D. Michael Martin, 1, 2 Thessalonians, p. 47.] 