Question: How did Jocelyn Bell Burnell succeed John Arbuthnott as President of the Royal Society of Edinburgh?

Context articles: John Arbuthnott (microbiologist)
Andrew Douglas Maclagan
John Arbuthnott, 9th Viscount of Arbuthnott
Hugh Arbuthnot (British Army officer)
John Arbuthnott, 10th Viscount of Arbuthnott
Arbuthnott Commission
Jocelyn Bell Burnell
Polly Arnold
John Arbuthnott, 8th Viscount of Arbuthnott
PSR B1919+21

Sir John Peebles Arbuthnott, PPRSE, FRCPSG, FMedSci, FRCPath (born 8 April 1939) is a Scottish microbiologist, and was Principal of the University of Strathclyde.
 He succeeded Lord Wilson of Tillyorn as President of The Royal Society of Edinburgh in October 2011 and was succeeded by Dame Jocelyn Bell Burnell in October 2014.
Sir Andrew Douglas Maclagan (17 April 1812, in Ayr – 5 April 1900, in Edinburgh) was a Scottish surgeon, toxicologist and scholar of medical jurisprudence.
 He served as president of 5 learned societies: the Royal Medical Society (1832), the Royal College of Surgeons of Edinburgh (1859–61), the Royal College of Physicians of Edinburgh (1884–87), the Royal Society of Edinburgh (1890–5), and the Royal Scottish Society of Arts (1900).
John Arbuthnott, 9th Viscount of Arbuthnott, DL, JP (4 June 1806 – 26 May 1891) was a Scottish peer and soldier.
He was born the son of John Arbuthnot, 7th Viscount of Arbuthnott and the younger brother of John Arbuthnott, 8th Viscount of Arbuthnott.
John Arbuthnott, 10th Viscount of Arbuthnott DL (b. Kincardineshire 20 July 1843 - d. Arbuthnott House 30 November 1895) was the son of John Arbuthnott, 9th Viscount of Arbuthnott whom he succeeded in 1891.
 Lt. 49th Foot Regiment.
 He was Deputy Lieutenant for Kincardineshire.
The Arbuthnott Commission on Boundary Differences and Voting Systems was set up in July 2004 by Alistair Darling, then Secretary of State for Scotland, under the chairmanship of Sir John Arbuthnott, to examine various consequences of having four different electoral systems in Scotland, and different boundaries for constituencies of the House of Commons (Parliament of the United Kingdom, at Westminster) and the Scottish Parliament (Holyrood).
Dame Susan Jocelyn Bell Burnell, (born 15 July 1943) is a Northern Irish astrophysicist.
 As a postgraduate student, she discovered the first radio pulsars while studying and advised by her thesis supervisor Antony Hewish, for which Hewish shared the Nobel Prize in Physics with astronomer Martin Ryle.
 Bell Burnell was excluded, despite having been the first to observe and precisely analyse the pulsars.
 Bell Burnell was President of the Royal Astronomical Society from 2002 to 2004, president of the Institute of Physics from October 2008 until October 2010, and was interim president following the death of her successor, Marshall Stoneham, in early 2011.
 She was succeeded in October 2011 by Sir Peter Knight.
 Bell Burnell was elected as President of the Royal Society of Edinburgh in October 2014.
 In March 2013 she was elected Pro-Chancellor of the University of Dublin.
Polly Louise Arnold OBE FRSE FRSC is a Professor of Chemistry at the University of Edinburgh in the School of Chemistry.
 She is the Crum Brown Chair of Chemistry at the University of Edinburgh and a Fellow of the Royal Society of Edinburgh and the Royal Society of Chemistry.
 She currently holds an EPSRC career fellowship, also at the University of Edinburgh.
John Arbuthnott, 8th Viscount of Arbuthnott DL FRSE (16 January 1778 – 10 January 1860) was a Scottish peer and soldier.
 Known as "the rich Lord" he built the bridge in front of Arbuthnott House.
 He was the first member of the family who consistently spelled his name "Arbuthnott" rather than "Arbuthnot".
PSR B1919+21 is a pulsar with a period of 1.3373 seconds and a pulse width of 0.04 seconds.
 Discovered by Jocelyn Bell Burnell and Antony Hewish on November 28, 1967, it is the first discovered radio pulsar.
 The power and regularity of the signals were briefly thought to resemble an extraterrestrial beacon, leading the source to be nicknamed LGM-1 (for "little green men").