Emma Crail's mother, who visited Allan and Josephine MacRae when they returned to Earth. She apparently knew nothing about conditions in Luna, and understood less. Her late husband, Herbert Appleby, is mentioned briefly.
Business tycoon who inspired and largely funded many space-related endeavors, including the first trip to the moon. Harriman is mentioned indirectly in most of the Future History stories, mostly in businesses and institutions bearing his name. In "'It's Great to Be Back!'", the Harriman Foundation funded scientific research, and Harriman Tower was the headquarters for applications for emigration to the Moon.
Lunar immigrant who, dissatisfied with living conditions there, returned to Earth, only to realize that in spite of the inconvenience the Moon had become his home. He reapplied and was accepted for permanent Lunar citizenship.
Josephine MacRae
Lunar immigrant who, dissatisfied with living conditions in Luna, returned to Earth and then realized that the Moon had become home; wife of Allan.
Hotel Moon Haven
[mentioned in passing] Establishment in Luna that allegedly could compete with the finest on Earth.
Mothersill's Seasick Remedy
Probably an alcoholic beverage; Allan MacRae drank it for "space sickness".
National City Bank
[mentioned in passing] Financial institution in Luna City.
[mentioned in passing] Newspaper or magazine column.
Simmons (no first name)
Missionary who shared a compartment with Josephine and Allan MacRae on the trip back to Earth. His infant daughter Gloria had no difficulty adjusting to free fall, but was distressed by full Earth gravity.
Service manager for the Luna City Community Association. She reserved Allan and Josephine MacRae's apartment for them when they returned to Earth, confident that they'd come back.