Paul, Silvanus, and Timothy, to the assembly of the Thessalonians in God our Father, and the Lord Jesus Christ:
Timothy, who joins Paul and Silas a short time later when they traveled through Lystra (Acts 16:3), apparently travels with Paul more than any of the others. Obviously, Paul has a special love for Timothy. In his letter to the Corinthians, he calls Timothy "my beloved son" (1 Corinthians 4:17).