Reginald Prinsep was an apothecary. He wrote letter 4283 to Sloane.
Reference:
Reginald Prinsep to Hans Sloane, 1731-06-23, Sloane MS 4051, ff. 259-260, British Library, London.
S.M. Wolters is an unknown woman who wrote letter 4284 to Sloane concerning the forwarding of a packet. Nothing else is known of her.
Reference:
S. M. Wolters to Hans Sloane, 1731-06-26, Sloane MS 4051, ff. 263-264, British Library, London.
George Bell was a physician. He was a Fellow of the Royal Society from 1750 until his death in 1758.
Reference:
George Bell to Hans Sloane, 1731-06-29, Sloane MS 4051, f. 268, British Library, London.
George Bell, Fellow Details, The Royal Society, [https://collections.royalsociety.org/DServe.exe?dsqIni=Dserve.ini&dsqApp=Archive&dsqCmd=Show.tcl&dsqDb=Persons&dsqPos=0&dsqSearch=%28%28text%29%3D%27Bell,%20George%27%29, accessed 22/08/17]
Thomas Watson-Wentworth, 1st Marquess of Rockingham (1693-1750), was a British peer and Whig Politician. He was mentioned in letter 4256, as is his youngest daughter, Henrietta Alicia, who was ill and successfully treated for her illness by Sloane.
At the time of the letter he was Lord Lieutenant of the West Riding of Yorkshire , but he held a number of other positions in his life including Member of Parliament for Malton from 1715 to 1727, a Knight of the Bath in 1725, and a Lord Lieutenant of the West Riding of Yorkshire from 1733 to 1750.
Reference:
Thomas Short to Hans Sloane, 1731-04-03, Sloane MS 4051, f. 218, British Library, London.
Thomas Watson-Wentworth, Wikipedia, [https://en.wikipedia.org/wiki/Thomas_Watson-Wentworth,_1st_Marquess_of_Rockingham, accessed 21/08/2017]
Louis Bourget was Professor of Philosophy at Neuchatel.
Reference:
Louis Bourget to Hans Sloane, 1731-07-16, Sloane MS 4051, ff. 274-275, British Library, London.
E. Ramsay wrote letter 4296 to Sloane.
Reference:
E. Ramsay to Hans Sloane, 1731-07-26, Sloane MS 4051, ff. f. 284, British Library, London.
J. Clarke wrote letter 4298 to Sloane, concerning a number of coins he dug up that he entrusts to Sloane’s collection and his admiration of the work that Sloane has done. Nothing else is known about him.
Reference:
J. Clarke to Hans Sloane, 1731-07-29, Sloane MS 4051, ff. 278-288, British Library, London.
Charles Lockyer wrote letter 4302 to Sloane. There is no other information available about him.
Reference:
Charles Lockyer to Hans Sloane, 1731-08-05, Sloane MS 4051, ff. 295-296, British Library, London.
Abraham Cyprianus was mentioned in letter 4252. He was a native of Amsterdam, a doctor of medicine of Utrecht of 1684, and for a time professor of anatomy and surgery in the university of Franeker. He was admitted a Licentiate of the College of Physicians 30th September, 1699 and was admitted a fellow of the Royal Society 11th December, 1700.
He died 26th April, 1718, and was the author of Oratio in Chirurgiam and Epistola ad Tho Millington Historiam exhibens Fœtûs humani salva matre ex tuba excisi 8 vo. Leidæ
Reference:
Johann Georg Steigertahl to Hans Sloane,1731-03-23, Sloane MS 4051, ff. ff. 212-213, British Library, London.
Abraham Cyprianus, Fellow Records, The Royal Society, [https://collections.royalsociety.org/DServe.exe?dsqIni=Dserve.ini&dsqApp=Archive&dsqCmd=Show.tcl&dsqDb=Persons&dsqPos=0&dsqSearch=%28%28text%29%3D%27%20Cyprianus,%20Abraham%27%29, accessed 19/08/17]
Abraham Cyprianus, Munks Roll, Royal College of Physicians, [http://munksroll.rcplondon.ac.uk/Biography/Details/1117, accessed 19/08/17]
Gustaf Harmens (1699-1774) was a Swedish physician. He studied at the University of Harderwijk in the Netherlands. From 1735 to 1771 he taught medicine in Lund.
Reference:
Gustaf Harmens to Hans Sloane, 1731-08-10, Sloane MS 4051, ff. 298-299, British Library, London.
Gustaf Harmens, Wikipedia, [https://sv.wikipedia.org/wiki/Gustaf_Harmens, accessed 23/08/17]