astronomy

John Milsum

John Milsum is a astronomy 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 John Milsum rather than just read about it. In short: John H. Milsum (August 15, 1925 – November 9, 2008) was a Canadian control engineer who was Professor and first Director at the Biomedical Engineering Department of the McGill University in Montreal, and a professor at the University of British Columbia.

Key takeaways

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

Reference excerpt

John H. Milsum (August 15, 1925 – November 9, 2008) was a Canadian control engineer who was Professor and first Director at the Biomedical Engineering Department of the McGill University in Montreal, and a professor at the University of British Columbia. Milsum is known for his book "Biological Control Systems Analysis" from 1966, which is a classic in the field and has been translated into many languages.

Biography Milsum was born in England. He received his Ph.D. in 1957 in control engineering at the Massachusetts Institute of Technology. He started working at the National Research Council in Ottawa from 1950 to 1961. In 1961 he came to McGill as the first Abitibi professor of control engineering in the Department of Electrical Engineering. In 1972 Milsum moved to the University of British Columbia (UBC) to become the Imperial Oil professor of General Systems and a professor in the Department of Health Care and Epidemiology. He was instrumental in the creation of UBC's Institute of Health Promotion Research in 1990. He was president of the International Society for the Systems Sciences in 1967-68. And he was a member of the National Research Council in Ottawa. In 1986, he was bestowed the honour of Emeritus Member of the Canadian Medical and Biological Engineering Society. Milsum died peacefully at home in 2008 November, at age 83.

Publications 1955. Preliminary investigation of transient cooling of aircraft electronic equipment using heat storage material. with William G. Nance. 1957. Problems in optimizing of stochastically-disturbed, saturating regulators, employing a binary error criterion. Thesis Sc.D., Massachusetts Institute of Technology, Dept. of Mechanical Engineering. 1966. Biological Control Systems Analysis. McGraw Hill ISBN 978-0-07-042398-5 1968. Positive Feedback. (editor) Pergamon Press Ltd. 1984. Health, stress, and illness : a systems approach. New York : Praeger. Articles:

1972, "The Hierarchical Basis for Living Systems," in George J. Klir (ed.), Trends in General Systems Theory. New York. 1972. 1973, "On Optimization of Health Care Systems". in: Optimization Techniques 1973: 335-346 1973, "Hospital admission systems: their evaluation and management". with E. Turban and I. Vertinsky in: Management Science. 1985, "A model of the eustress system for health/illness". in: Behavioral Science. Vol 30, Issue 4, Pages 179 - 186.

References

External links History of biomedical engineering at McGill Memories of John Milsum

Worked examples

Example 1 — a first encounter with John Milsum

Start with the simplest possible case. Write down what John Milsum claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 John Milsum 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 John Milsum 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 John Milsum

In research: John Milsum appears in astronomy 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 John Milsum 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: John Milsum is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1924 births, 2008 deaths, Academic staff of McGill University, so understanding it makes those chapters shorter.
In everyday life: Look for John Milsum 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 John Milsum in 20 minutes

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

Frequently asked questions

What is John Milsum in simple terms?

Why does John Milsum matter?

Because it connects several astronomy 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 John Milsum?

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 John Milsum.