John Mark
Mark 9:5ESV·traditional attribution

And Peter said to Jesus, “Rabbi, it is good that we are here. Let us make three tents, one for you and one for Moses and one for Elijah.”

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. A prediction of Christ's kingdom now near approaching, Mar 9:1. That which is foretold, is, 1. That the kingdom of God would come, and would come so as to be seen: the kingdom of the Messiah shall be set up in the world by the utter destruction of the Jewish polity, which stood in the way of it; this was the restoring...

Commenting on Mark 9:1-13

John Gill Reformed Baptist @doctorgill

And Peter answered and said to Jesus,.... He addressed himself to him, as being more familiar with him; as also because he was the principal person: wherefore he says, master, it is good for us to be here: the company and conversation were exceeding agreeable to him and his fellow disciples; and the glory that Christ appeared in surpassed every thing they had seen before...