It is with immense sadness that we received the news of Professor Alexander Türk's passing in April 2025. Alex taught at CTLS during the Fall 2011 and Spring 2023 semesters.

It is with immense sadness that we received the news of Professor Sherman Cohn’s passing, on August 5, 2024. Sherman taught at CTLS during the Spring 2014 semester.

It is with immense sadness that we received the news of Professor Stephen Waddams’s passing, on May 27, 2023. Stephen taught at CTLS during the Spring 2009 semester.

It is with immense sadness that we received the news of Professor Karen Knop’s passing, on September 26, 2022. Karen taught at CTLS during the Fall 2012 semester.

It is with immense sadness that we received the news of Professor David Caron’s passing, on February 20, 2018. David taught at CTLS during the Spring 2017 and Spring 2018 semesters.

It is with immense sadness that we received the news of Professor Aldo Frignani’s passing in 2018. Aldo taught at CTLS during the Spring 2009 semester.