engineering

Louis Friedman

Louis Friedman is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Louis Friedman rather than just read about it. In short: Louis Dill Friedman (born July 7, 1941) is an American astronautics engineer and space spokesperson. He was born in New York and raised in the Bronx.

Key takeaways

Louis Friedman belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Louis Friedman to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Louis Friedman from memory before moving on to harder problems.

Reference excerpt

Louis Dill Friedman (born July 7, 1941) is an American astronautics engineer and space spokesperson. He was born in New York and raised in the Bronx. Dr. Friedman was a co-founder of The Planetary Society with Carl Sagan and Bruce C. Murray.

Education and career In 1961, he earned his Bachelor of Science in applied mathematics and engineering physics at the University of Wisconsin, Madison. In 1963, he graduated at Cornell University with a Masters of Science in engineering mechanics. In 1971, he graduated with a Ph.D. from the Department of Aeronautics and Astronautics at the Massachusetts Institute of Technology with a thesis entitled, Extracting Scientific Information from Spacecraft Tracking Data. He worked for AVCO Space Systems Division from 1963 to 1968. From 1970 through 1980, he was with the Jet Propulsion Laboratory (JPL) leading the Advanced Planetary Studies and the post-Viking Mars Program. Other projects at the JPL include Mariner-Venus-Mercury, Planetary Grand Tour (Voyager), Venus Orbital Imaging Radar (Magellan probe), Halley's Comet Rendezvous-Solar Sail, and the Mars Program.

Projects, Print, and Speeches Human spaceflight : from Mars to the stars. Univ. of Arizona Press, Tucson 2015, ISBN 978-0-8165-3146-2. Star Sailing: Solar Sails and Interstellar Flight, Louis Friedman, John Wiley & Sons Inc., 1988, ISBN 978-0-471-62593-3, 146 pgs. Project Director of the Solar Sail mission by The Planetary Society and Cosmos Studies: Cosmos I Part of the technical team on the Mars Balloon and Mars Rover for The Planetary Society Asked to participate in both Congressional and Administrative reviews for American and Russian space missions 2004 Congressional Hearings on Space: United States Senate Committee on Commerce, Science and Transportation – NASA Future Space Mission [1] ”Think Bigger About Mars” Louis Friedman, June 27, 2000 ”A Space Nerd Responds” Louis Friedman, August 13, 2007 ”Where will the Next 50 Years in Space Take Us? Expert Opinions” Popular Mechanics, September 2007

Associations The Planetary Society – Executive Director and author of World Watch in the Planetary Report Sigma Xi American Astronautical Society Fellow of the American Association for the Advancement of Science American Institute of Aeronautics and Astronautics – Congressional Fellow 1978-79

References

Illustrations

Worked examples

Example 1 — a first encounter with Louis Friedman

Start with the simplest possible case. Write down what Louis Friedman claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Louis Friedman before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Louis Friedman ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Louis Friedman

In research: Louis Friedman appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Louis Friedman in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Louis Friedman is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1941 births, American aerospace engineers, American planetary scientists, so understanding it makes those chapters shorter.
In everyday life: Look for Louis Friedman outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Louis Friedman in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Louis Friedman means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Louis Friedman out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Louis Friedman in simple terms?

Louis Dill Friedman (born July 7, 1941) is an American astronautics engineer and space spokesperson. He was born in New York and raised in the Bronx.

Why does Louis Friedman matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Louis Friedman?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Louis Friedman.