diff --git a/csrankings-c.csv b/csrankings-c.csv
index 6f74e975b7..5512802ed3 100644
--- a/csrankings-c.csv
+++ b/csrankings-c.csv
@@ -745,7 +745,6 @@ Chris Lucas 0001,University of Edinburgh,http://www.christopherglucas.com,KS4uI1
 Chris Martens,North Carolina State University,http://www.cs.cmu.edu/~cmartens,1ceh700AAAAJ
 Chris McDonald,University of Western Australia,http://staffhome.ecm.uwa.edu.au/~00014979,8jUAxZkAAAAJ
 Chris North 0001,Virginia Tech,http://people.cs.vt.edu/north,yBZ7vtkAAAAJ
-Chris Pal,University of Montreal,http://en.diro.umontreal.ca/department-directory/vue/pal-christopher,1ScWJOoAAAAJ
 Chris Peikert,University of Michigan,http://web.eecs.umich.edu/~cpeikert,PiZymREAAAAJ
 Chris Piech,Stanford University,https://stanford.edu/~cpiech/bio/index.html,fpT49d8AAAAJ
 Chris Preist,University of Bristol,https://research-information.bris.ac.uk/en/persons/chris-w-preist,rfoJfMgAAAAJ
@@ -1005,7 +1004,6 @@ Christopher J. Dutchyn,University of Saskatchewan,https://www.cs.usask.ca/facult
 Christopher J. Langmead,Carnegie Mellon University,http://www.cs.cmu.edu/~cjl,NOSCHOLARPAGE
 Christopher J. MacLellan,Georgia Institute of Technology,https://chrismaclellan.com/,q_K8iFQAAAAJ
 Christopher J. Nitta,Univ. of California - Davis,https://web.cs.ucdavis.edu/~cjnitta,vEPWWu0AAAAJ
-Christopher J. Pal,University of Montreal,http://en.diro.umontreal.ca/department-directory/vue/pal-christopher,1ScWJOoAAAAJ
 Christopher J. Quinn,Iowa State University,https://www.cs.iastate.edu/people/christopher-quinn,oXWIgXcAAAAJ
 Christopher J. Rossbach,University of Texas at Austin,http://www.cs.utexas.edu/~rossbach,pPSWi5EAAAAJ
 Christopher J. Rozell,Georgia Institute of Technology,https://siplab.gatech.edu/rozell.html,JHuo2D0AAAAJ
@@ -1015,7 +1013,7 @@ Christopher James MacLellan,Georgia Institute of Technology,https://www.cc.gatec
 Christopher Jason Peikert,University of Michigan,http://web.eecs.umich.edu/~cpeikert,PiZymREAAAAJ
 Christopher Jefferson,University of St Andrews,https://caj.host.cs.st-andrews.ac.uk,CyvPP1gAAAAJ
 Christopher John Crick,Oklahoma State University,https://cs.okstate.edu/~chriscrick,hyEds7sAAAAJ
-Christopher Joseph Pal,University of Montreal,http://en.diro.umontreal.ca/department-directory/vue/pal-christopher,1ScWJOoAAAAJ
+Christopher Joseph Pal,Polytechnique Montreal,https://www.polymtl.ca/expertises/pal-christopher-j,1ScWJOoAAAAJ
 Christopher K. I. Williams,University of Edinburgh,https://homepages.inf.ed.ac.uk/ckiw,rvKJDbIAAAAJ
 Christopher Kanan,University of Rochester,http://www.chriskanan.com,jMxZjBoAAAAJ
 Christopher Kiekintveld,University of Texas - El Paso,http://www.cs.utep.edu/kiekintveld,-0LFOnYAAAAJ