Nicholas Kaiser FRS (15 September 1954 – 13 June 2023) was a British cosmologist.

[1] He obtained his PhD in astronomy, also at the University of Cambridge, under the supervision of Martin Rees.

[4] Kaiser died of heart failure on 13 June 2023, at the age of 68.

Kaiser was the initiator and Principal Investigator of the PanSTARRS imaging survey of most of the sky.

[15] Kaiser won numerous awards and honors including: