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Tyndall, John in correspondent 
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From:
Charles Robert Darwin
To:
John Tyndall
Date:
4 Feb [1857]
Source of text:
DAR 261.8: 2 (EH 88205940)
Summary:

CD is "as ignorant of mechanics as a pig", but glaciers have interested him greatly. Hopes to hear that JT’s experiments with ice will explain the freezing together of ice below the freezing point.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Tyndall
Date:
23 Feb [1861]
Source of text:
DAR 261.8: 3 (EH 88205941)
Summary:

Sends correspondence between Dr Erasmus Darwin and Josiah Wedgwood I [of Etruria] on glaciers.

Also a pamphlet [Asa Gray, Natural selection not inconsistent with natural theology (1861)] containing "the best account" of the Origin.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Tyndall
Date:
24 July [1861]
Source of text:
DAR 261.8: 4 (EH 88205942)
Summary:

Has been idling and enjoying the scenery.

"At dinner we were all sticking bits of ice together by their points, marvelling at the phenomenon and talking of you."

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Tyndall
Date:
7 Oct 1868
Source of text:
DAR 261.8: 5 (EH: 88205943)
Summary:

Asks JT to distribute some circulars about the work of Gustavus Hinrichs of Iowa, whom CD wishes to help.

Admires JT’s Norwich address [to Mathematics and Physics Section, BAAS meeting, Rep. BAAS 38: 1–6] and his Fortnightly Review paper on scientific discovery [7 (1867): 645–60].

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Charles Robert Darwin
Date:
9 Oct 1868
Source of text:
DAR 106: C1–2
Summary:

Gustavus Hinrichs is also a [not highly regarded] correspondent of JT’s; he will put GH’s papers on the table at Royal Institution to ease CD’s conscience.

Dined with the Asa Grays at Hooker’s. Told Mrs Gray that CD’s ill health was a benefit because it caused him to ponder a great deal.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Tyndall
Date:
20 Oct 1868
Source of text:
DAR 261.8: 6 (EH: 88205944)
Summary:

Invites JT to come to Down with the Asa Grays and Hookers.

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Charles Robert Darwin
Date:
7 Sept 1870
Source of text:
DAR 106: C3–4
Summary:

Sends CD proofs of a lecture he will give at Liverpool. Asks CD to check the part referring to him.

Élie de Beaumont’s remark, in which he requires CD to recant before being admitted to the [French] Academy, is intolerable. "This spirit has much to do with the present condition of France."

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Tyndall
Date:
8 Sept 1870
Source of text:
The Michael Faraday Museum at the Royal Institution of Great Britain, London, reference RI MS JT/2/10/458, spine title: Journal V111A 1858–71
Summary:

CD finds JT’s discourse "grand and most interesting" [On the scientific use of the imagination (1870)]. Flattered by what JT says about him.

He is "a rash man to say a good word for Pangenesis for it has hardly a friend among naturalists".

CD is much struck with what JT says about "pondering" and delighted by his "as if" argument.

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Charles Robert Darwin
Date:
23 Feb [1871]
Source of text:
DAR 106: C5–6
Summary:

Has devised a respirator for firemen by moistening cotton wool with glycerine and adding charcoal. JT suggests the nose with its hairs and mucus is a respirator that would give protection against diseases caused by floating particles. The presence of hair and mucus is thus explained by CD’s theory.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Tyndall
Date:
[27 Feb 1871]
Source of text:
DAR 261.8: 7 (EH 88205945)
Summary:

Thinks JT’s discovery of a glycerine respirator is an interesting practical discovery. CD has been wondering about the hairs in our nostrils, but doubts that JT has explained their function, since there are hardly enough.

Will ask W. Ogle to observe hairs in nostrils of different races.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Tyndall
Date:
1 Mar [1871]
Source of text:
DAR 261.8: 8 (EH 88205946)
Summary:

Ogle will keep JT’s suggestion in mind in observing less hairy races of man and the lower animals.

Asks JT whether he can help Ogle on a troublesome point on the colour of tissues with olfactory nerves, and the relation of colour to the absorption of odours. Does JT’s respirator deprive odorous substances of their smell?

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Tyndall
Date:
1 Mar [1871]
Source of text:
DAR 261.8: 9 (EH 88205947)
Summary:

Ogle is unacquainted with JT; would be proud and pleased to call on him. CD likes what little he has seen of him.

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Charles Robert Darwin
Date:
1 Mar [1871]
Source of text:
DAR 106: C7
Summary:

JT suggests that Ogle call upon him so that they can arrange experiments suitable for his purpose.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Tyndall
Date:
7 Mar [1871]
Source of text:
DAR 261.8: 10 (EH 88205948)
Summary:

Ogle wants very much to meet JT.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Tyndall
Date:
8 Mar [1871]
Source of text:
DAR 261.8: 11 (EH 88205949)
Summary:

Thanks JT for his kindness to Ogle.

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Charles Robert Darwin
Date:
8 Mar [1871]
Source of text:
DAR 106: C8
Summary:

Has seen Ogle. His subject [olfactory nerve tissue and absorption of odours] has often occupied JT’s attention.

Contributor:
Darwin Correspondence Project
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From:
John Tyndall
To:
Charles Robert Darwin
Date:
8 June [1872]
Source of text:
DAR 106: C9
Summary:

Sends CD a copy of the memorial supporting Hooker’s case against A. S. Ayrton’s interference in the administration of Kew Gardens.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Tyndall
Date:
11 June 1872
Source of text:
Royal Institution of Great Britain (RI MS JT/1/TYP/8/2654)
Summary:

If the Memorial concerning Joseph Dalton Hooker’s dispute with Acton Smee Ayrton was sent to Down, there will be a delay in its return. He has discussed the matter with Mary Catherine Stanley (Lady Derby).

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Tyndall
Date:
8 Apr [1873]
Source of text:
DAR 261.8: 13 (EH 88205951)
Summary:

CD will write to William Spottiswoode about the fund for Huxley. CD is raising his subscription to £300. "We have done a good day’s work … [it] gives me a higher opinion of human nature than I had before, though I am not one of those who think lowly of mankind."

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Charles Robert Darwin
Date:
8 Apr [1873]
Source of text:
DAR 106: C10
Summary:

William Spottiswoode was not at home, but JT sought out Herbert Spencer. Spencer will come with JT to see CD [about the Huxley fund].

Contributor:
Darwin Correspondence Project
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