Gideon Marcus (he/him)

@gideonmarcus.bsky.social

1019 Followers 168 Following

San Diego-based professor, space historian, and science fiction author. I go to a lot of protests these days. https://gideonmarcus.com Like science fiction and time travel? Go here: https://galacticjourney.bsky.social/

Cover for Majera, #TheKitraSaga No. 4, featuring hunky Peter and suave Fareedh with Majera zooming by in the background...
Celebrate Amazing Stories & Science Fiction's 100th Birthday! (with a cover of Amazing Stories and a slew of names)
A person holding a bearded dragon standing next to a brown and white pug dog, both pets looking quizzically at the camera
Cover for Majera featuring Fareedh and Peter, the Majera zooming by in the background over an unknown planet
The covers for the first three books in The Kitra Saga (Kitra, Sirena, and Hyvilma), featuring the characters Kitra, Sirena, and Marta
Title card for a show called "Star Trek: Endor"
Postcard "I lost my heart in Heidelberg" with views of the city
A dashing, balding, Jewish-looking man in glasses, with a beard and curly pony tail, wearing a purple shirt and a vintage brown tie, makes a dramatic gesture from the podium, a slide of the Moon behind him.
1st edition cover of The Man Who Folded Himself, by David Gerrold, which features a man in silhouette infinitely mirrored.
Room with Atari 800, Atari 520ST, and IBM 80286 computer, all on. Nerd paradise.
Cover of Vision of Tomorrow #11 illustrating Last Vigil by Michael Moorcock with an advanced city with thin towering structures on a mountainous cliff edges above a stormy sea.
Andorian ambassador Shras from the TOS episode "Journey to Babely". He has blue skin, white hair, antennae, and is wearing a brown tabard over a mail shirt.
A phenomenally beautiful short woman and a somewhat impressive if dour looking "irresistibly middle aged" Jew.
A ridiculous-looking, but "irresistibly middle-aged", bespectacled Jew in a blue dress shirt, green tie, and khaki slacks proudly holds an American flag on a pole in one hand and the California flag on a pole in the other. He is in a yard with a fetching yellow cottage behind him.
A band of foreigners, probably, invading the streets of Savannah, waving flags of another country. Maybe Mexico. Could be Italy.
Graph of page hits on Discoverer 2 showing a rise from 5 hits a day to 20.
Beige General Electric 1963 AM/FM radio
A handsome man in his late 30s with a sign that reads FIRE HEGSETH next to a young world-saving woman with a sign reading AMERICA=WE THE PEOPLE next to the most beautiful woman in the world (also in her 30s) with a sign reading "You can't have my rights. I'm not done with them yet," and she is next to a guy who looks like the typical Trumper, but he's actually one of us. Behind them are 600 people protesting near the beach in Carlsbad.
Apollo 13 patch
Film clip of Leonard Nimoy in 1970
1965 Ramsgate portable radio
Screen shot of the old DOS game "ROGUE" with the character, represented by an ampersand, entering a room containing a Kestrel, represented by a K.
"Tragedy and Triumph. Apollo and Soyuz Part 1"
Photo of some guy with frizzy long hair and glasses in a very 1970-corduroy blazer/tie/yellow shirt/gray trousers at a podium. He looks very incongruous with the modern laptop and LCD screen. But pretty stylish nevertheless.
Photo of a guy with long curly brown hair, a beard, and glasses, holding a blue umbrella, dressed in a white suit, blue shirt, and big striped tie, in front of a display of the solar system circa 1960, behind a bunch of astronomy textbooks
Cover of Fantastic depicting a demonic young woman with spread black wings and a white dress flying against a red background
The cover of the Analog issue. It shows a man with a gun looking over a desert cliff at a massive radio telescope facility.
Photo of a 1965 Ramsgate RCA Victory radio, rectangular and vintage
Photo of a 1965 Ramsgate RCA Victory radio, rectangular and vintage
Photo of the inside of an office, with two big windows and wood tile on the walls. There is a man in a gray sweater vest, blue shirt, and yellow tie sitting amongst the following computers (left to right): Atari 800, HP laptop, Atari 520ST, Pentium III tower, IBM AT 286 clone. The 800 has an Indus disk drive and a Commodore 1702 monitor. The Pentium is for reading 5 1/4" floppies. The AT has an external modem and a VGA display.
Email from Seattle Worldcon saying that Nominations have now opened for the 2025 Hugo Awards.
Map of the Jin Empire, comprising what would be the southeastern half of modern China. The bases of the eight feuding princes are scattered throughout the northern half of the Empire.
Photo of 1938 Philco Upright radio
Map of China, the Jin dynasty in yellow — it includes Northern Vietnam as well as modern China except for Manchuria and Inner Mongolia in the north and Tibet, Xinjiang, and Qinghai in the west.
Silver ancient coin with a bust of a short-coiffed woman (Zenobia) depicted.
Photo of a reconstruction of a wooden south-pointing chariot, with two wheels, various gears, and a figure on top pointing forward.
Photo of a cream-colored, rectangular, General Electric radio from the early 60s
Map of China during the Three Kingdoms era—Cao Wei comprises northern China with capital at Luoyang; Shu Han is southwest China capitaled at Chengdu; Dong Wu is southeast China with capital at Jiangkang.
photo of 1965 RCA Victor Ramsgate radio, rectangular and a foot-long
Golden coin with Postumus with the face of a bearded man wearing a crown
Photo of a cold-weather suited young woman behind the wheel of a Curtiss Model D, open-air biplane
Photo of two Corinthian columns in front of two more with a portion of roof bracing—all that is left of the forum of Tarraco
White marble bust of a round-faced, wall-eyed, clean-shaven man
Cover of a 1621 copy of the sixth volume — "Diophanti Alexandrini Arithmeticorum Libri Sex"
Bust of Philip the Arab in white marble, wearing a toga. He has short hair, a long face, and prominent ears and nose.
Oriental-style illustration of a robed woman riding a white elephant.
Proposed flag for the State of Jefferson, featuring two xes side by side.
Drawing of a statue of Shapur I, a man in flowing, but body-tight wrappings, with long hair, a beard, and a crown.