Does anyone have more information on my grandparents who were honoured during the 1947 Royal visit

During the 1947 Royal visit, the Royal Family visited Rustenburg and gave a Mappin & Webb (I think) silver tea set to my grandfather and grandmother: Mr Herman and Mrs Norinah Wulfsohn. My grandfather had started a hospital, school, synagogue etc. and this was a gift of thanks to him.

Can anyone guide me on how I can get more information on my grandparents? 

Thank you in advance.

Barbara Myers: +27 82 881 6127 or barbaram.itc@etravel.co.za