Nizam-ul-Mulk

Nizam-ul-Mulk was a Vizier for two Seljuk Sultans Alp-Arslan (1063 – 1072) and his son Malik Shah (1072 – 1092). He was killed in Oct. 14th 1092 by a member of assassin sect.

References

Lamb, Harold, Omar Khayyam