Margaret Flamsteed was the widow of the Astronomer Royal John Flamsteed. They married in 1692. John Flamsteed was an astronomer, had a crucial role in the founding the of the Royal Observatory, and participated in academic debates relating to astronomy.
Reference:
Frances Willmoth, ‘Flamsteed, John (1646-1719)’, Oxford Dictionary of National Biography (Oxford University Press, 2004; online edn, Jan 2008 http://www.oxforddnb.com/view/article/9669 [accessed 21 June 2013]).
Dates: to
Occupation: Unknown
Relationship to Sloane: Virtual International Authority File: