Edward Mackin
3 appearances across 3 restored issues — every one readable in full, free.
Authentic Science Fiction Monthly, No. 77 — 1957 “Plague Solution” · p.69 Read the full issue (162 pages) → 
Authentic Science Fiction Monthly No. 81 — 1957 “A Problem in Psionics” · p.80 Read the full issue (130 pages) → 
Authentic Science Fiction Monthly No. 83 — 1957 “A KIND OF IMMORTALITY” · p.91 Read the full issue (130 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.