Sir Richard Dudley Harington: mathematical correspondence with T. A. A. Broadbent, G. A. Garreau, C. Dudley Langford, T. B. W. Spencer, A. S. Gosset Tanner and J. Travers.

16 Autograph Letters Signed, 10 Autograph Cards Signed and one Typed Letter Signed. The letters total 32pp. The collection is in fair condition, on aged and worn paper. The correspondence deals exclusively with mathematical questions raised in the Mathematical Gazette, with the writers providing mathematical calculations and demonstrations. From six individuals, as follows. ONE: T.A.A. Broadbent [ Thomas Arthur Alan Broadbent ] (1903-1973) of the Royal Naval College, Greenwich: 4 ALsS and 3 ACsS. TWO: G.A. Garreau [ Gabriel Armand Garreau ]: 2 ALsS and one TLS. THREE: C. Dudley Langford (see 'Langford's Problem') of Henrietta Cottage, 16 Henrietta Street, Girvan, Ayrshire: 2 ALsS and 2 ACsS. FOUR: T.B.W. Spencer (author of 'Mathematical Problem Papers') of 35 The Downs, Wimbledon: one ALS. FIVE: A.S. Gosset Tanner [ Arthur Spencer Gosset-Tanner ], master at Derby School: 5 ACsS and 2 ALsS. SIX: J. Travers, Headmaster, Peterborough College, Harrow: 5 ALsS. Also present is a Typed Letter Signed by 'Ripley' (i.e. on behalf of Robert Ripley's American franchise), on letterhead of the Sunday Express, 3 January 1940: 'Your interesting problem of the three numbers has been noted, and will be included in "Believe it or Not" at an early date.' From the Harington family papers, the recipient being Sir Richard Dundas Harington, 13th Baronet (1900-1981), whose address is given as The Brook, Lower Howsell, Malvern Link, Worcestershire.