In Memoriam
It is with deep regret and profound sadness that we report the death of the following AACR members. The AACR is honored to recognize these outstanding members for their dedication to the association and to the field of cancer. Please note that this information is only that which has been volunteered to us by colleagues, friends, and family. The following list includes members who have passed away in the current year. Please email the Membership Department to share additional information on a deceased member.

Albert de la Chapelle
Albert de la Chapelle, MD, PhD, a pioneering geneticist whose work contributed to the understanding of Lynch syndrome, died December 10, 2020, at the age of 87.

David A. Ahlquist
David A. Ahlquist, MD, a gastroenterologist who helped invent a noninvasive test to screen for colorectal cancer, died November 1, 2020, at the age of 69.

Angelika Amon
Angelika Amon, PhD, a renowned molecular and cell biologist whose work revealed important mechanisms of cell division and growth, died October 29, 2020, at the age of 53.

Takashi Sugimura
Takashi Sugimura, MD, a pioneer in biochemistry, a Fellow of the AACR Academy, and a major international figure in cancer research, died Sept. 6, 2020, at the age of 94.

Isabelle Tabah-Fisch
Isabelle Tabah-Fisch, MD, a medical oncologist who contributed greatly to drug development, died August 28, 2020, at age 64.

Kelly H. Clifton, Sr.
Kelly H. Clifton Sr., PhD, an esteemed radiation biology researcher and a longtime member of the AACR, died August 24, 2020, at the age of 93.

Earle Frederick Wheelock
Earle Frederick Wheelock, MD, PhD, a longtime member of the AACR, died Aug. 4, 2020, at the age of 93.

Sanjiv Sam Gambhir
Sanjiv Sam Gambhir, MD, PhD, an AACR member who was considered a pioneer in the field of molecular imaging, died July 18, 2020, at the age of 57.

Isaiah J. Fidler
Isaiah J. Fidler, DVM, PhD, FAACR, a pioneer in the field of cancer metastasis and a Past President of the AACR, died May 8, 2020, at the age of 83.

Paul A. Marks
Paul A. Marks, MD, a Fellow of the AACR Academy who translated his passion for molecular biology into transformative leadership of Memorial Sloan Kettering Cancer Center, died April 28, 2020, at the age of 93.

John W. Yarbro
John W. Yarbro, MD, PhD, a longtime member of the AACR who held leadership roles at several major cancer institutions, passed away April 13, 2020, at age 88.

Mansukh C. Wani
Mansukh C. Wani, PhD, an AACR emeritus member whose research led to the discovery of the anticancer therapeutics Taxol and camptothecin, died April 11, 2020, at the age of 95.

Nancy H. Colburn
Nancy H. Colburn, PhD, a longtime member of the AACR, died March 16, 2020, at the age of 78.

Clara D. Bloomfield
Clara D. Bloomfield, MD, a Fellow of the AACR Academy whose research identified the genetic drivers of leukemia, leading to the development of more personalized treatment for the disease, died March 1, 2020, at the age of 77.

Philip Leder
Philip Leder, MD, FAACR, a pioneering molecular biologist and geneticist and a Fellow of the AACR Academy, died February 2, 2020, at the age of 85.