Moses
Exodus 27:1ESV·traditional attribution

“You shall make the altar of acacia wood, five cubits long and five cubits broad. The altar shall be square, and its height shall be three cubits.

John Calvin Reformed @genevareformer

1. And thou shalt make an altar. The altar of whole burnt-offerings (holocaustorum) is here described, which, however, it was called by synecdoche, for not only entire victims were burnt there, but also parts of them only, as we shall see in Leviticus. The burnt-offerings received their name from their ascending, C. alludes to their Hebrew name, עלה, the primary signification of which is mounting upwards.

Matthew Henry Presbyterian @wholebiblehenry

As God intended in the tabernacle to manifest his presence among his people, so there they were to pay their devotions to him, not in the tabernacle itself (into that only the priests entered as God's domestic servants), but in the court before the tabernacle, where, as common subjects, they attended.

Commenting on Exodus 27:1-8

John Gill Reformed Baptist @doctorgill

And thou shall make an altar of shittim wood,.... This is a different altar from that made of earth before the tabernacle was built, Exo 20:24 and from the altar of incense, Exo 30:1 this was to offer burnt offerings on, and was placed at the door of the tabernacle, in the court of the people, where they brought their sacrifices to the priests to...