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Mária Telkes

Mária Telkes 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 Mária Telkes rather than just read about it. In short: Mária Telkes (December 12, 1900 – December 2, 1995) was a Hungarian-American biophysicist, engineer, and inventor who worked on solar energy technologies. She moved to the United States in 1925 to work as a biophysicist.

Mária Telkes — main illustration
Mária Telkes — illustration

Key takeaways

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

Reference excerpt

Mária Telkes (December 12, 1900 – December 2, 1995) was a Hungarian-American biophysicist, engineer, and inventor who worked on solar energy technologies. She moved to the United States in 1925 to work as a biophysicist. She became an American citizen in 1937 and started work at the Massachusetts Institute of Technology (MIT) to create practical uses of solar energy in 1939. During World War II, she developed a solar water distillation device, deployed at the end of the war, which saved the lives of downed airmen and torpedoed sailors. Her goal was to create a version for villagers in poor and arid regions. Telkes, often called by colleagues The Sun Queen, is considered one of the founders of solar thermal storage systems. After the war, she became an associate research professor at MIT. In the 1940s she and architect Eleanor Raymond created one of the first solar-heated houses, Dover Sun House, by storing energy each day. In 1953 they created a solar oven for people at various latitudes that could be used by children. In 1952, Telkes became the first recipient of the Society of Women Engineers Achievement Award. She was awarded a lifetime achievement award from the National Academy of Sciences, subsequently receiving a Building Research Advisory Board Award in 1977. Telkes registered more than 20 patents.

Early life and education Telkes was born in Budapest, Hungary, in 1900 to Aladár and Mária (née Lábán) de Telkes. Her grandfather Simon Telkes was from a Jewish family. In 1881, her father magyarized the family name to Telkes. In 1883 he converted to the Unitarian faith. In 1907 he was elevated to the Hungarian nobility, with the prefix kelenföldi. From an early age, Telkes was interested in chemistry, making her own chemistry set at age 10. Her father encouraged her explorations. Raised in Budapest, she embarked on a journey in physical chemistry at the University of Budapest, earning her Bachelor of Arts in 1920. In her first year there, she read an influential book, "Energy Sources of the Future" by Kornel Zelowitch. She said that book influenced her in deciding to go to the United States, since most solar energy work was being done there at that time. Her academic pursuits continued as she pursued a Ph.D. in physical chemistry at the University of Budapest, where she was a lecturer in physics from 1923 to 1924, completing her doctoral studies in 1924. Following her educational achievements, Telkes became an instructor at the University of Geneva in 1924. However, her life took a turn when, after visiting a relative who served as the Hungarian consul in Cleveland, Ohio, she decided to immigrate to the United States.

Career Telkes moved to the United States in 1925, and visited a relative who was the Hungarian consul in Cleveland, Ohio. There, she was hired to work at the Cleveland Clinic Foundation, which was founded in 1921 by biomedical researcher George W. Crile, to investigate the energy produced by living organisms. Telkes did some research while working at the foundation, and under the leadership of George Washington Crile, they invented a photoelectric mechanism that could record brain waves. They also worked together to write a book called Phenomenon of Life. Becoming an American citizen in 1937 marked a pivotal moment in Telkes's life. That same year, she transitioned to a research engineer role at Westinghouse Electricand Manufacturing Company in Pittsburgh, Pennsylvania. She initially focused on developing metal alloys for thermocouples to convert heat into electricity. Her venture into solar energy research began in 1939. As part of the Solar Energy Conversion Project at MIT, she investigated thermoelectric devices powered by sunlight. She was at MIT for 13 years and then at New York University for five years. Her most notable innovation was the invention of the solar distiller and the development of the first solar-powered heating system designed for residential use. In addition, Telkes also devised various devices capable of harnessing and utilizing energy stored from sunlight. Telkes aimed to address the reliance on traditional heating methods, often powered by non-renewable energy sources. Her work sought to provide sustainable and environmentally friendly alternatives, particularly in the context of residential heating.

Desalination During World War II, the United States government, noting Telkes's expertise, recruited her to serve as a civilian advisor to the Office of Scientific Research and Development (OSRD). There, she developed a solar-powered water desalination machine, completing a prototype in 1942. It came to be one of her most notable inventions because it helped soldiers get clean water in difficult situations and also helped solve water problems in the US Virgin Islands. However, its initial deployment was delayed until the end of the war because Hoyt C. Hottel repeatedly re-negotiated the manufacturing contracts for the machine. For this work, she received a Certificate of Merit in 1945 from the OSRD and on March 15, 1952, the Society of Women Engineers awarded her their first Achievement Award "for her wartime method of distilling water from salt water by solar heat."

… excerpt ends here. Continue reading the full article.

Illustrations

Mária Telkes illustration

Worked examples

Example 1 — a first encounter with Mária Telkes

Start with the simplest possible case. Write down what Mária Telkes 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 Mária Telkes 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 Mária Telkes 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 Mária Telkes

In research
Mária Telkes 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 Mária Telkes 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
Mária Telkes is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1900 births, 1995 deaths, 20th-century American Jews, so understanding it makes those chapters shorter.
In everyday life
Look for Mária Telkes 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 Mária Telkes in 20 minutes

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

Frequently asked questions

What is Mária Telkes in simple terms?

Mária Telkes (December 12, 1900 – December 2, 1995) was a Hungarian-American biophysicist, engineer, and inventor who worked on solar energy technologies. She moved to the United States in 1925 to work as a biophysicist.

Why does Mária Telkes 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 Mária Telkes?

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 Mária Telkes.

Tags

  • 1900 births
  • 1995 deaths
  • 20th-century American Jews
  • 20th-century American chemists
  • 20th-century American engineers
  • 20th-century American inventors
  • 20th-century American women biologists
  • 20th-century American women engineers
  • 20th-century American women inventors
  • 20th-century American women scientists
  • 20th-century women physicists
  • Achievement Award Recipients of the Society of Women Engineers

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