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Space Adventures #33 cover
Cover: Steve Ditko
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Space Adventures #33

Mar 1960 · Charlton · 0.10 USD
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★ 1st appearance — Captain Atom★ 1st appearance — Allen Adam
About this Issue

Space Adventures #33 introduced Captain AtomAllen Adam — to comics readers in March 1960, making it the foundational issue for one of Charlton Comics' most significant superhero characters and a genuine landmark of the Silver Age. The origin concept of a military man transformed into a radiation-powered being by an accidental atomic detonation predates Marvel's wave of similarly structured radiation-superhero origins by well over a year, placing Gill and Ditko ahead of that broader industry curve. When DC acquired the Charlton library in the 1980s, Captain Atom's template proved so resonant that Alan Moore's original Watchmen pitch directly cast him as the character who would become Doctor Manhattan — a lineage that runs in an unbroken creative line back to this single debut story. The issue also marks the very first appearance of supporting character Sergeant Gunner Goslin, who witnesses Adam's transformation and becomes a keeper of the hero's secret.

In "The Galactic Scourge!", Captain Adam’s fate takes a dramatic turn when he’s trapped in an atomic rocket, giving rise to the newly formed Captain Atom. With his origin still unfolding, the hero steps into action to thwart enemy agents who’ve sabotaged a critical Jupiter Rocket mission. Written by Joe Gill and brought to life by Steve Ditko’s distinctive art—both inks and pencils—this 1960 Charlton comic offers a crisp, early sci-fi adventure with a cover that captures the moment’s tension in Ditko’s signature style.

Contains 3 stories
The Galactic Scourge!
7 pp · Science Fiction
Captain Roberts

Captain Roberts and the elite crew of the United Nations Space Patrol journey to an uncharted solar system aboard the experimental X-181 to explore planets that may harbor life similar to Earth's. When their ship is mysteriously drawn to the fourth planet against their will, the crew discovers nightmarish scorpion-like creatures responsible for luring and destroying spacecraft from across the galaxy—but their discovery puts them in position to liberate an entire civilization held hostage by these cosmic terrors.

Introducing Captain Atom
9 pp · Superhero
General Eining (first appearance)President of U.S.

When a scientist named Captain Adam is caught in an atomic rocket explosion, he emerges as the powerful, radiation-fueled Captain Atom. Now wielding incredible energy-based abilities, he races to thwart enemy agents sabotaging a Jupiter-bound rocket launch.

The Captive World
7 pp · Science Fiction
Joe Blount

When the planet Amicus is mysteriously drawn across the galaxies by the invading Kukons, Space Marshal Joe Blount finds himself captured and brought before the alien masters who rule through fear and telepathic control. Stranded on a hostile world, Blount discovers a dangerous truth about the Kukons' hierarchy—and a chance to turn the enslaved against their oppressors.

ComicBooks.com Value

Our Model is In Beta
Raw (VG) $199
CGC 9.4 · 1 in census $6,719*
CGC 9.2 $4,481
CGC 9.0 · 1 in census $2,646*
CGC 8.5 · 5 in census $1,810*
CGC 8.0 · 3 in census $1,559
CGC 7.5 · 5 in census $1,207
Show all 18 grades
CGC 7.0 · 9 in census $987
CGC 6.5 · 17 in census $828
CGC 6.0 · 6 in census $693*
CGC 5.5 · 14 in census $587
CGC 5.0 · 15 in census $587
CGC 4.5 · 14 in census $488
CGC 4.0 · 28 in census $373
CGC 3.5 · 12 in census $365
CGC 3.0 · 15 in census $365
CGC 2.5 · 14 in census $317
CGC 2.0 · 2 in census $187*
CGC 1.5 · 1 in census $151*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

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History

The story was produced entirely within Charlton's famously lean production model: Joe Gill, one of the most prolific scripters in American comics, supplied the script, while Steve Ditko handled both pencils and inks on the Captain Atom feature — his first co-created superhero. The rest of the issue's anthology stories were drawn by Bill Montes (or Bill Molno, per some indexers) with inking by Vince Colletta. Charlton's editorial approach under Pat Masulli prioritized volume and speed over lavish production, which meant Ditko's pages were printed on inexpensive paper stock, yet his clean storytelling and detailed rendering of real spacecraft hardware — an Atlas rocket accurately depicted in the origin sequence — gave the strip an unexpected verisimilitude that distinguished it from the publisher's typical fare.

Trivia · 8 facts

  • First appearance of Captain Atom (Allen Adam), cover-dated March 1960, in the Charlton Comics anthology Space Adventures #33.
  • First appearance of Sergeant Gunner Goslin, the military non-com present at Adam's transformation who becomes a keeper of the Captain Atom secret.
  • First appearance of General Eining, also introduced in the same 'Introducing Captain Atom' story.
  • Created by writer Joe Gill (script) and Steve Ditko (pencils and inks) — marking Captain Atom as the first superhero co-created by Ditko, predating his Marvel work on Spider-Man and Doctor Strange.
  • The story embeds specific Cold War hardware: Allen Adam's fatal accident occurs aboard an Atlas missile (accurately rendered by Ditko), and Captain Atom foils a sabotage plot involving a Jupiter rocket, with the origin moment likely alluding to real high-altitude nuclear tests such as Operation Argus.
  • Captain Atom's costume inside the issue is printed in light blue — a coloring unique to this single issue that does not match the red-and-gold version shown on the cover and used in all subsequent appearances.
  • The 'Introducing Captain Atom' story has been reprinted multiple times, including Strange Suspense Stories #75 (June 1965), Space Adventures (Vol. 3) #9 (May 1978), DC's Action Heroes Archives Vol. 1 (2004), and The Hero Comics #30 (Winter 2019–2020).
  • Captain Atom's Charlton origin directly inspired Alan Moore's creation of Doctor Manhattan in Watchmen (1986): DC declined to grant Moore permission to use Captain Atom himself, leading Moore to develop an analogous but distinct character instead.

Cast · 3 characters

Full credits

writer Joe Gill
artist, inker Steve Ditko
cover pencils, inks Steve Ditko

Reprints

Reprinted in Creepy Worlds #44 (1965), Space Trip to the Moon #1 (1965), Strange Suspense Stories #75 (1965), Astounding Stories #70 (1969), Creepy Worlds #118 (1971), Secrets of the Unknown #137 (1973), Space Adventures #9 (1978), Space War #31 (1978), Secrets of the Unknown #205 (1982), Creepy Worlds #244 (1988), The Action Heroes Archives #1 (2004), The Hero Comics #30 (2019), Secrets of the Unknown #68, Sinister Tales #28

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