Erik Gregersen
42 works on record
Works
Outer solar system
Unmanned space missions
The Milky Way and beyond
Astronomical observations
The inner solar system
Sound and light
The universe
The Britannica guide to electricity and magnetism
The complete history of wheeled transportation
The Britannica guide to relativity and quantum mechanics
The Britannica guide to heat, force, and motion
The Britannica guide to the atom
The Britannica Guide To Matter
The Britannica guide to statistics and probability
The Britannica guide to particle physics
The Britannica guide to the history of mathematics
Manned spaceflight
The Britannica guide to analysis and calculus
The History of Mathematics
Stars and Nebulae
Asteroids, Meteors, Meteorites, and Comets
Sun and the Origins of the Solar System
The Britannica guide to sound and light
Statistics and Probability
Analysis and Calculus
Outer Planets
Britannica Guide to Electricity and Magnetism
Britannica Guide to Sound and Light
Inner Planets
Britannica Guide to Relativity and Quantum Mechanics
Britannica Guide to Heat, Force, and Motion
Milky Way and Other Galaxies
Complete History of Wheeled Transportation
Universe
Britannica Guide to Analysis and Calculus
Milky Way and Beyond
Britannica Guide to Particle Physics
Britannica Guide to the History of Mathematics
Inner Solar System
Britannica Guide to the Atom
Britannica Guide to Matter
Britannica Guide to Statistics and Probability