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William Hodgson Ellis

William Hodgson Ellis 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 William Hodgson Ellis rather than just read about it. In short: William Hodgson Ellis (1845–1920) was a Professor of Applied Chemistry from 1878, and Dean of the Faculty of Applied Science and Engineering at the University of Toronto from 1914, until his retirement in 1919. Early life William Hodgson Ellis was born on 23 November 1845 in Holme Hall, Bakewell, Derbyshire, England.

Key takeaways

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

Reference excerpt

William Hodgson Ellis (1845–1920) was a Professor of Applied Chemistry from 1878, and Dean of the Faculty of Applied Science and Engineering at the University of Toronto from 1914, until his retirement in 1919.

Early life William Hodgson Ellis was born on 23 November 1845 in Holme Hall, Bakewell, Derbyshire, England. He was the son of the only daughter of Mr. Joseph Hodgson of Holme Hall and her husband, the resident physician, John Eimeo Ellis. Ellis emigrated with his family to the State of Illinois in 1857 and then to Toronto in 1859. Ellis's paternal grandfather was William Ellis (1794–1872), the English missionary and author.

Education Ellis entered University College at the University of Toronto in 1863, receiving his B.A. in 1867 with the Gold Medal in Natural Science. He obtained his M.A. in 1868 and his M.B. (Bachelor of Medicine) in 1870. Following his education in Toronto, he went to London, England and obtained a position on the house staff of St. Thomas' Hospital, securing his L.R.C.P. in the autumn of 1871, when he returned to Canada.

University of Toronto He settled down to practice his profession, but was immediately offered the position of lecturer in chemistry in Trinity College, and shortly afterwards he undertook similar duties in the newly-founded School of Technology. This latter institution became in 1877 The Ontario School of Practical Science in which he was Assistant Professor of Chemistry. In 1887 he became Professor of Applied Chemistry, a position which he held till his retirement. In 1907, when the School of Practical Science became the Faculty of Applied Science and Engineering of the University of Toronto, he was made head of instruction in chemistry for the whole University. After the death of Dean John Galbraith in 1914, he was made Dean of the Faculty of Applied Science, from which position he retired in 1919. In the Medical Faculty, he held the position of Professor of Toxicology and Medical Jurisprudence from 1897 to 1913, when he was obliged to resign owing to the pressure of other work. For more than 30 years he was retained by the Attorney-General of Ontario as analyst and expert toxicologist in connection with criminal cases. During the same period he was Public Analyst for the Inland Revenue Department.

Honours and later life The variety and pressing nature of his daily work prevented him from writing any extensive scientific treatises; but numerous papers from his pen are to be found in the Transactions of the Canadian Institute, the Report of the Bureau of Mines and in the Transactions of the Royal Society. In 1915 he was honoured by the University of Toronto with the degree LL.D., and in 1917 a similar honour was conferred upon him by McGill University. In 1917 he was made Honorary Member of the Engineering Institute of Canada. He was a fellow of the Institute of Chemistry, and a Fellow of the Royal Society of Canada. He was an ex-president of the Royal Canadian Institute, and ex-chairman of the Canadian Section of the Society of Chemical Industry. Ellis died on 23 August 1920 while enjoying a holiday with his friend Dr. Rudolf on Lake Joseph in the Muskoka District.

Personal life Ellis married Ellen Maude Mickle in Wellington, Ontario, Canada, on 4 August 1875. Their son, the prominent British Canadian physician, pathologist, and Regius Professor of Medicine, Arthur William Mickle Ellis, was born in Toronto, Ontario, Canada on 4 May 1883. Their daughter, Ethel May Crooks (nee Ellis), was born sometime in 1876.

References Content in this article was copied from William Hodgson Ellis at Skulepedia, which is licensed under the Creative Commons Attribution-Share Alike 3.0 (Unported) (CC-BY-SA 3.0) license.

"William Hodgson Ellis". Proceedings and Transactions of the Royal Society of Canada. 15: V–VII. 1921.

External links Works by William Hodgson Ellis at Project Gutenberg Works by William Hodgson Ellis at Faded Page (Canada) William Hodgson Ellis archival papers held at the University of Toronto Archives and Records Management Services

Worked examples

Example 1 — a first encounter with William Hodgson Ellis

Start with the simplest possible case. Write down what William Hodgson Ellis 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 William Hodgson Ellis 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 William Hodgson Ellis 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 William Hodgson Ellis

In research
William Hodgson Ellis 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 William Hodgson Ellis 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
William Hodgson Ellis is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1845 births, 1920 deaths, Academic staff of the University of Toronto Faculty of Applied Science and Engineering, so understanding it makes those chapters shorter.
In everyday life
Look for William Hodgson Ellis 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 William Hodgson Ellis in 20 minutes

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

Frequently asked questions

What is William Hodgson Ellis in simple terms?

William Hodgson Ellis (1845–1920) was a Professor of Applied Chemistry from 1878, and Dean of the Faculty of Applied Science and Engineering at the University of Toronto from 1914, until his retirement in 1919. Early life William Hodgson Ellis was born on 23 November 1845 in Holme Hall, Bakewell, D…

Why does William Hodgson Ellis 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 William Hodgson Ellis?

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 William Hodgson Ellis.

Tags

  • 1845 births
  • 1920 deaths
  • Academic staff of the University of Toronto Faculty of Applied Science and Engineering
  • Canadian chemists
  • Deans of the University of Toronto Faculty of Applied Science and Engineering
  • English emigrants to Canada
  • People from Derbyshire (before 1895)
  • University of Toronto alumni

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