Early head concept by Chris Foss.
Concept art of the Pilot by Ron Cobb.
Concept art of the Pilot attributed to Jean Giraud.
Ridleygrams of the Space Jockey at the stage when the creature was supposed to be a carcass outside the Alien pyramid.
Concept art of the Jockey by H.R. Giger, at the stage when the creature was supposed to be a carcass outside the Alien pyramid.
Detail of Necronom V, the first inspiration for the final Jockey design.
Ridleygram of the Space Jockey in its cockpit.
Final design by H.R. Giger.
The Space Jockey maquette by H.R. Giger and Peter Voysey.
Sculpting the Pilot.
Applying the finishing touches on set.
The finished Derelict Pilot on set.
The Space Jockey model, as it was last seen in the Egyptian Theater of Los Angeles, at ‘Alien”s premiere.
The first Alien sketch, by Dan O’Bannon.
Early sketches and designs by Ron Cobb.
Giger’s early egg concepts.
Giger’s original egg.
On set.
Giger’s Facehugger concepts.
Roger Dicken with the Facehugger and the Chestburster.
On set.
Giger’s first Chestburster concept.
Giger’s early Chestburster.
The final Chestburster out of the mould.
The ramming Chestburster during filming.
The hero Chestburster.
Necronom IV.
Dicken’s initial Alien designs.
Giger’s Alien concepts.
The final Alien design.
Giger at work on the Alien.
Rambaldi’s concepts for the mechanical head.
Rambaldi at work.
The tongue.
Various Alien heads.
One of the suits.
Suit tests and promotional pictures.
On set.
Filming the finale.
Not an actual scene.
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Monster Legacy 
Great stuff from a groundbreaking film!
Reblogged this on Deep Space from the Deep South and commented:
Always good to see production art from this film!
Amazing site. It’s the most incredible retelling of the whole process of making the creatures from Alien. The photo archive is fantastic too. Thank you!
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