Heinlein also wrote as Anson MacDonald and Lyle Monroe. He wrote his first short story (Lifeline) in 1939. He wrote many well-known novels (see below). He received the Nebula Grand Master award in 1975.

High-Frequency Oven - essence of the microwave
This describes the essence of a microwave.

Space Cadet (1948)

Hired Girl Robot - robotic floor maintenance
The amazing floor-cleaning robot!

The Door Into Summer (1956)

Howard Families
A project designed to produce a group of people with exceptionally long life.

Methuselah's Children (1941)

Hush Corner - noise reduction
A space made private by canceling sound waves in that area.

Double Star (1956)

Hush Hood - privacy when you need it
A device that cancels noise, ensuring that others cannot overhear.

The Moon is a Harsh Mistress (1966)

Hush-a-Phone - noise suppression for telephones
A special kind of telephone that reduced noise while talking.

The Roads Must Roll (1940)

Hybrid Mass Driver - moon bound
A device for launching space craft on the first stage of a journey to space.

The Man Who Sold The Moon (1950)

Hypno-Encyclopedic Techniques
If you plan to live for centuries, you need to organize your memories.

Time Enough For Love (1973)

Hypnotic injunction
A method of hypnosis that prevents people from revealing particular information.

Methuselah's Children (1941)

Identification Beacon
Radio pulse to identify orbiting craft.

Methuselah's Children (1941)

Improve Memory
Help immortals make sense of their memories.

Methuselah's Children (1941)

Inflatable Roofed Valley - early inflatable reference
A habitat on an asteroid created by placing a tent-like roof over a natural valley or depression, and then inflating it.

Misfit (1939)

Instant Customized Clothing - mass customization
A machine that produced a selected item of clothing, on the spot, based on customer demand.

Methuselah's Children (1941)

Interplanetary Clearance
Bureaucratic red tape associated with busy space ports.

Methuselah's Children (1941)

Joy-boat Junior - a private space yacht
A private space yacht, capable of suborbital journeys.

Methuselah's Children (1941)

Jump Harness - rocket pack
A device small enough to be worn as a backpack, that gave booster power for jumping.

Stranger in a Strange Land (1961)

Knockdown Cabin - portable shelter
A portable shelter; had solid walls and could be assembled quickly.

Coventry (1940)

Living Grass Carpet - not AstroTurf
An indoor area covered with grass, in the manner of a carpet.

Stranger in a Strange Land (1961)

Lunar Greenhouse Tunnel
A multipurpose conservatory on the Moon.

The Moon is a Harsh Mistress (1966)

Lunar Ice Mining - water on the moon
The practice of mining for ice on the moon.

The Moon is a Harsh Mistress (1966)