John Drury Clark Ph.D Date of Birth: 15.08.1907 Country: USA

Contents:

1. Early Life and Education
2. Chemistry and Periodic Table
3. Career in Rocketry
4. Liquid Rocket Propulsion and NARTS
5. Influence on Science Fiction
6. Conan and Howard
7. Editing and Conan’s Revived Popularity
8. Facilitating Careers in Science Fiction
9. Fosterage of Fletcher Pratt’s Literary Partnerships
10. Inspiration for L. Ron Hubbard
11. Trap Door Spiders and Asimov’s Black Widowers
12. “The Petrified Planet” Trilogy
13. Public and Political Activity

Early Life and Education

John Drury Clark, a renowned American rocket propellant scientist, was born in Fairbanks, Alaska in 1907. He pursued his education at various universities and ultimately obtained a Ph.D. in chemistry from Stanford University.

Chemistry and Periodic Table

In 1933, Clark introduced a novel cylindrical diagram for the periodic table of elements, which gained popularity and was featured in Life magazine.

Career in Rocketry

Clark worked on liquid rocket propellants at NARTS in New Jersey for over two decades, making significant contributions to the field.

Liquid Rocket Propulsion and NARTS

His book “Ignition!: An Informal History of Liquid Rocket Propellants” detailed the development of liquid rocket propulsion in the United States.