Beethoven definitely knew how to finish a symphony. So did Bruckner and Mahler. But they were by no means the only composers who could. Take, for instance the end of Dmitri Shostakovich's 5th Symphony. Here is the LINK. Start at about the 44:30 mark. Less than two minutes, but it is stirring music.
At the end of the premier performance in 1937, it received an ovation that lasted well over a half hour.