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George N. Hatsopoulos

George N. Hatsopoulos 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 George N. Hatsopoulos rather than just read about it. In short: George Nicholas Hatsopoulos (January 7, 1927 – September 20, 2018) was a Greek American mechanical engineer noted for his work in thermodynamics and for having co-founded Thermo Electron. Early life Hatsopoulos was born in Athens, Greece in 1927 and is related to the former rector of the Athens Polytechnic School, Nicolas Kitsikis.

George N. Hatsopoulos — main illustration
George N. Hatsopoulos — illustration

Key takeaways

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

Reference excerpt

George Nicholas Hatsopoulos (January 7, 1927 – September 20, 2018) was a Greek American mechanical engineer noted for his work in thermodynamics and for having co-founded Thermo Electron.

Early life Hatsopoulos was born in Athens, Greece in 1927 and is related to the former rector of the Athens Polytechnic School, Nicolas Kitsikis. He attended Athens Polytechnic before entering MIT, where he received his Bachelor and Master of Science (1950), Mechanical Engineer (1954), and Doctorate of Science (1956).

Hatsopoulos-Keenan reformulation of thermodynamics In 1965, he and Joseph Keenan published their textbook Principles of General Thermodynamics, which restates the second law of thermodynamics in terms of the existence of stable equilibrium states. Their formulation of the second law of thermodynamics states that:

The Hatsopoulos-Keenan statement of the Second Law entails the Clausius, Kelvin-Planck, and Carathéodory statements of the Second Law, and has provided a basis to extend the traditional definition of entropy to the non-equilibrium domain. Hatsopoulos and Keenan maintained that it is unlikely to identify a satisfactory definition of heat without a prior statement of the second law. Hatsopoulos helped pioneer academic work in quantum thermodynamics. In the Spring term of 1971 at MIT, he and Elias Gyftopoulos offered what is regarded as the first university course titled "Quantum Thermodynamics". It was a graduate-level class designated 2.47J. In 1976, he also contributed to the formulation of a unified theory of mechanics and thermodynamics, arguably a precursor of the emerging interconnected fields of nonequilibrium thermodynamics and quantum thermodynamics (see e.g. Refs.)

Academic and industry leader While at MIT, Hatsopoulos was head of the engineering division of Matrad Corporation of New York. Matrad Corporation and MIT also provided financial support for his doctoral thesis The Thermo-Electron Engine. Matrad Corporation was owned by the family of Peter M. Nomikos, a Harvard Business School graduate. In 1956, Nomikos and Hatsopoulos co-founded the Thermo Electron Corporation. Several years later, George asked his brother (John Hatsopoulos) to join the company as financial controller. Under George Hatsopoulos, John Hatsopoulos, and Arvin Smith. Thermo Electron became a major provider of analytical instruments and services for a variety of domains. In 1965, George Hatsopoulos was president of the Thermo Electron Engineering Corporation and Senior Lecturer in Mechanical Engineering at M.I.T.

Recognition In 1961, Hatsopoulos received the Golden Plate Award of the American Academy of Achievement. Hatsopoulos was elected to the US National Academy of Engineering in 1978. In 1996, Hatsopoulos won the John Fritz Medal, which is the highest American award in the engineering profession and presented each year for scientific or industrial achievement in any field of pure or applied science. In 1997, he was awarded the 3rd Annual Heinz Award in Technology, the Economy and Employment. In 2011, along with Arvin Smith and John Hatsopoulos, he was awarded the 2011 Pittcon Heritage Award from the Chemical Heritage Foundation. Hatsopoulos is also a recipient of The International Center in New York's Award of Excellence. He died on September 20, 2018, at the age of 91. His net worth was reported as US$481 million in 2017.

See also History of thermodynamics

References

External links George Hatsopoulos - Biography George Hatsopoulos - National Academy of Engineering, chairman and CEO

Illustrations

George N. Hatsopoulos illustration

Worked examples

Example 1 — a first encounter with George N. Hatsopoulos

Start with the simplest possible case. Write down what George N. Hatsopoulos 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 George N. Hatsopoulos 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 George N. Hatsopoulos 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 George N. Hatsopoulos

In research
George N. Hatsopoulos 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 George N. Hatsopoulos 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
George N. Hatsopoulos is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1927 births, 2018 deaths, American businesspeople in manufacturing, so understanding it makes those chapters shorter.
In everyday life
Look for George N. Hatsopoulos 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 George N. Hatsopoulos in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what George N. Hatsopoulos 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 George N. Hatsopoulos out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is George N. Hatsopoulos in simple terms?

George Nicholas Hatsopoulos (January 7, 1927 – September 20, 2018) was a Greek American mechanical engineer noted for his work in thermodynamics and for having co-founded Thermo Electron. Early life Hatsopoulos was born in Athens, Greece in 1927 and is related to the former rector of the Athens Pol…

Why does George N. Hatsopoulos 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 George N. Hatsopoulos?

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 George N. Hatsopoulos.

Tags

  • 1927 births
  • 2018 deaths
  • American businesspeople in manufacturing
  • American mechanical engineers
  • American people of Greek descent
  • Henry Laurence Gantt Medal recipients
  • Kitsikis family
  • MIT School of Engineering faculty
  • Members of the United States National Academy of Engineering
  • People from Athens
  • Thermodynamicists

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