DECLARATION OF TRUST DATED 10TH AUGUST 1925.

TO PROVIDE A PRIZE EACH YEAR TO BE AWARDED TO A PUPIL AT THE CALDAY GRANGE GRAMMAR SCHOOL IN RESPECT OF EXCELLENCE IN SCIENCE.

NOT DEFINED

• 19 Mai 1965 : Cofrestrwyd
• 13 Mehefin 2012 : Tynnwyd