Skip to main content Skip to search Skip to search results

Edinburgh (Scotland)

Subject Source: Library of Congress Subject Headings

Found in 830 Collections and/or Records:

3 (38), Thomson to Ledermann, 27 Jan 1938

Identifier: Coll-1064/36
Scope and Contents Thomson asks Ledermann to tidy his proof regarding Bartlett's estimation of the common factors and put it into more mathematical terms. He attaches the proof for Ledermann's consideration.

3 (39), Thomson to Ledermann, 4 Jul 1939

Identifier: Coll-1064/83
Scope and Contents Thomson refers to manuscripts he has enclosed regarding minimum rank and trace. These have not survived in the collection. Thomson mentions the inclusion of Ledermann's article in the current edition of Psychometrika; informs him of the 12th International Congress of Psychologists to be held in Edinburgh, pointing out that there is to be half a day devoted to factor analysis; and tells him he has noticed a misprint in ...

3 (40), Thomson to Ledermann, 26 Feb 1940

Identifier: Coll-1064/96
Scope and Contents Ledermann asks Thomson to stop by his office when he visits Moray House so he can be introduced to James Duff.

30 (37), Thomson to Ledermann, 8 Nov 1937- 12 Nov 1937

Identifier: Coll-1064/29
Scope and Contents Contains a letter from Thomson, dated 8 Nov 1937 and numbered 30 (37) in which he asks Ledermann to post an enclosed letter to Dr Horst if he thinks it correct; the enclosed letter to Dr Horst, dated 8 Nov 1937 and numbered 30a (37); and a further letter from Thomson to Ledermann, dated 12 Nov 1937 and numbered 30b (37) which asks him to obtain details of translations of Pliny’s letters held at Edinburgh University...

31 (37), Thomson to Ledermann, 14 Nov 1937

Identifier: Coll-1064/30
Scope and Contents Thomson thanks Ledermann for his letter regarding minimum trace and minimum Thorstone [sic] rank which showed they do not always occur together, but Thomson argues that they usually do.

He discusses matrices, referring to the work of Heywood, Spearman, and Thurstone; as well as an article that he would like to write.

37 (38), Thomson to Ledermann, 6 Sept 1938

Identifier: Coll-1064/71
Scope and Contents In the first letter, dated 6 Sept 1938 and numbered 37 (38), Thomson informs Ledermann of his plans for the next few weeks, which include going to London and to a Carnegie conference in Dinard. He reassures him that he will have an advocate in the Faculty of Science in Edmund Whittaker, and tells him he hopes the decision of the Senate with regards to his DSc will be a positive one. Thomson also asks Ledermann to send his Note on Sampling...

38 (38), Thomson to Ledermann, 22 Oct 1938

Identifier: Coll-1064/73
Scope and Contents Thomson expresses his disappointment over the decision of the Faculty of Science not allowing Ledermann to submit his DSc. He encourages him to speak to staff at St Andrews and make a formal application, and tells him he will speak to both Edinburgh University and St Andrews University if this is unsuccessful. Thomson comments that C Spearman has written an Anti-Thomson article in the British Journal of Psychology, and tells him...

39 (38), Thomson to Ledermann, 31 Oct 1938

Identifier: Coll-1064/74
Scope and Contents Thomson informs Ledermann that Ledermann's two articles, The Orthogonal Transformation of a Factorial Matrix into Itself and On a Shortened Method of Estimation of Mental Factors by Regression have been accepted for publication in Psychometrika.

4 (38), Thomson to Ledermann, 31 Jan 1938

Identifier: Coll-1064/37
Scope and Contents Small postcard in which Thomson invites Ledermann to dinner, asking him to bring his violin. He refers to a letter he has had from M S Bartlett regarding a proof.

40 (38), Thomson to Ledermann, 25 Nov 1938

Identifier: Coll-1064/75
Scope and Contents Thomson asks Ledermann if he will look at Burt's article, The Unit Hierarchy and its Properties, and give his opinion. He also refers to the work of Ledyard R Tucker, and Aitken. He informs Ledermann that he will hopefully have the services of Lawley as Ledermann's replacement.

Thomson and asks Ledermann if his family are OK, telling him they are in his thoughts.