 Vacancies in the fiscal officership or on the board of trustees are filled by the remaining trustees.Bertha Swirles

Bertha Swirles, Lady Jeffreys (22 May 1903 – 18 December 1999) was an English physicist, academic and scientific author who carried out research on quantum theory in its early days.She was associated with Girton College, University of Cambridge, as student and Fellow, for over 70 years.