Disappointed in Tusi

Nasiruddin Tusi  (1201 - 1274) was :

(1) An astronomer
(2) A biologist
(3) A chemist
(4) A mathematician
(5) A philosopher
(6) A physician
(7) A physicist
(8) A scientist in general
(9) A theologian
(10) An Ismaili
(11) Persian
(12) A twelver.

And he supported Halaqu Khan and ended up in his ministry.
What a loss!