HIs Weird Tales career wasn't the longest but from the November 1924 relauch through to April 1926, Andrew Brosnatch (1896-1965) painted fifteen covers and provided the bulk of the interior illustrations until Joe Doolin, Ed Whitham and G. O. Olinick briefly inherited the mantle, Farnsworth-Wright finally striking gold with Hugh Rankin. Writing in The Weird Tales Story (Fax 1977: Wildside 1999) Robert Weinberg damns Brosnatch with the very faintest of praise while conceding his significance as "the first of a long line of artists each of who was to dominate the interior art of the magazine."
Terence E. Hanley provides a typically excellent biography of the elusive Mr. Brosnatch at Tellers Of Weird Tales
H. P. Lovecraft - The Festival Jan. 1925)
Seabury Quinn - Out Of The Long Ago (Jan. 1925)
Hamilton Craigie - The Man Trap (Nov. 1925).
Gordon Philip England - The Acid In The Laboratory (Nov. 1925)
Frank Belknap Long - The Ocean Leech (Jan. 1925)
Katherine Yates - Under The Hau Tree (Nov. 1925)
Armstrong Livingston - As Obligated (Jan. 1925)
H. P. Lovecraft - The Tomb (Jan, 1926)
Seabury Quinn - The Isle Of Missing Ships (Feb, 1926)
Arthur Leeds - Return Of The Undead (Nov. 1925)
H. G. Wells - The Stolen Body (Nov. 1925)
Thanks (again) to SFFAudio without whom this page would be virtually illustration free.
From the first, I set myself against "literature"; the story was the thing, and no amount of style could persuade me to select a story that lacked genuine, unadulterated horror. For those who wanted something high-brow there was plenty.