The Tyson Medal is a prize awarded for the best performance in subjects relating to astronomy at the University of Cambridge, England.
[1] It is awarded annually for achievement in the examinations for Part III of the Mathematical Tripos when there is a candidate deserving of the prize.
In his will, Henry Tyson made the following bequest: That the sum of three hundred pounds be paid to the Cambridge University the interest annually to be for a gold medal for the best proficient in Mathematics and Astronomy in the same way as Dr Smith's and to bear the donor's name.
[3] Most of this list is from The Times newspaper archive.
[4] The winners of the prize are published in The Cambridge University Reporter.