He was elected Lady Margaret professor on 24 October 1565, and later in the same year took both the degrees in divinity.
[1] Anthony Wood said that Cradock "addicted himself much to chymistry" and "spent many years in obtaining the Elixir, alias the Philosophers stone, and was accounted one of the number of those whom we now call Rosycrucians".
[2][3] He was a friend of John Dee who recorded a three-day visit to him in Oxford in 1581.
[2] In 1571 he published The Shippe of assured Safetie, wherein we may sayle without Danger towards the Land of the Living, promised to the true Israelites, 2nd edition 1572.
Some Latin sapphics by Cradock are prefixed to Robert Peterson's translation of Giovanni della Casa's Il Galateo, 1576.