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Tom Cavalier-Smith Prize

The Tom Cavalier-Smith prize recognizes contributions to evolutionary protistology, or related fields (e.g. protist biology, diversity or ecology), by early career researchers.


Update January 16th 2024: We are pleased to announce that we are extending the deadline for Tom Cavalier-Smith prize nominations to January 31st, and that in light of the complicating factor of the Covid-19 pandemic, we are extending eligibility to 4 years post-PhD.



Candidates should be advanced PhD students or junior postdocs (up to 4 years post-PhD, updated), and ISEP members. They can be nominated by a senior scientist but self-nominations are also possible. Nominees should answer a few questions on their motivation. Nomination and nominee forms are available below.

Recipients of the TCS prize will be invited to give a lecture in the next ISEP meeting.

Filled forms must be sent to

Schedule for the TCS award – edition 2024

  • Open call for nominations – November 10, 2023
  • Deadline for nominations – January 31, 2024 (updated)
  • TCS prize decision – mid February, 2024
  • The TCS prize award and invited lecture by recipient will take place at the joint PSA-ISOP-ISEP meeting in Seattle, July 2024


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