John the Apostle
Revelation 8:5ESV·traditional attribution

Then the angel took the censer and filled it with fire from the altar and threw it on the earth, and there were peals of thunder, rumblings, flashes of lightning, and an earthquake.

Matthew Henry Presbyterian @wholebiblehenry

In these verses we have the prelude to the sounding of the trumpets in several parts. I. The opening of the last seal. This was to introduce a new set of prophetical iconisms and events; there is a continued chain of providence, one part linked to another (where one ends another begins), and, though they may differ in nature and in time, they all make...

Commenting on Revelation 8:1-6

John Gill Reformed Baptist @doctorgill

And the angel took the censer,.... The golden one before mentioned, the use of which was to take and carry in it burning coals of fire: and filled it with fire of the altar; of burnt offering, for upon that, and not upon the altar of incense, fire was; the allusion is to the priest "that was worthy to use a censer (e); who took...

Albert Barnes Presbyterian @notesbybarnes

Verse 5. And the angel took the censer. , This is a new symbol, designed to furnish a new representation of future events. By the former it had been shown that there would be much prayer offered; by this it is designed to show that, notwithstanding the prayer that would be offered, great and fearful calamities would come upon the earth.