His father , Henry Charles Jones , was an accountant and his mother , Sarah Ryland , had earlier worked as a school teacher .
Harold Spencer Jones was born in Kensington , London , on 29 March 1890 .
Harold Spencer Jones ' father , Henry Charles Jones , was an accountant and his mother , Sarah Ryland , had earlier worked as a school teacher .
Harold Spencer Jones was born in Kensington , London , on 29 March 1890 .