Page 's influence on the Canberra design was such that .
The overall concept was Petter 's , much of the radical thinking underlying it , such as the undercarriage design and the spring tab control surfaces , was Page 's , driven by his meticulous scientific analysis .
Page 's influence on the Canberra design was such that although the overall concept was Petter 's , much of the radical thinking underlying it , such as the undercarriage design and the spring tab control surfaces , was Page 's , driven by his meticulous scientific analysis .