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Benjamin's Park Memorial Chapel

2401 Steeles Avenue West

Toronto, Ontario

DONALD ROSENTHAL Obituary

Peacefully, at home, in his 92nd year, following a brief illness. Donny Rosenthal, most beloved husband for 57 years of Carolyn. Predeceased by his first wife, Joani; and son, Douglas; and by his brother, Harold. Loving father of Gary and Abigail, Ken and Leslie, and Julie and Greg. He will be deeply missed by his grandchildren, Joelle, Shana, Peter, Elizabeth, Lucy, Jonah, Charlie, and Celine (Ivan); and by his great-grandson, Cayce. He felt that he had been so fortunate in his life. Professor Emeritus of the Department of Medicine at McMaster University, he had a profoundly rewarding career as a dermatologist, adored by his patients, lauded by the hundreds of students he taught, and held in such high regard by his colleagues, who looked to him for guidance in the most difficult cases. But he didn't want to be remembered for his professional achievements. What mattered to him most were the relationships he built with his family and many dear friends, with whom he enjoyed countless good meals, especially those featuring fine wine, red meat and a noticeable absence of green vegetables. At Benjamin's Park Memorial Chapel, 2401 Steeles Avenue West (3 lights west of Dufferin) for service on Sunday, November 30th, at 12:00 p.m. Interment at Dawes Road Cemetery, New McCaul section. Please see www.benjamins.ca for Shiva information. Memorial donations may be made to Doctors Without Borders 416-964-0619 or www.doctorswithoutborders.ca.
Published by The Globe and Mail from Dec. 1 to Dec. 5, 2025.

Memories and Condolences
for DONALD ROSENTHAL

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12 Entries

DR SHEILA LOUISY

January 15, 2026

I AM VERY SAD TO LEARN OF DON'S PASSING AND SEND MY HEARTFELT
SYMPATHY TO CAROLYN AND ALL HIS FAMILY.
DON WAS A WONDERFUL COLLEAGUE ,TEACHING AND INSPIRING ME,ALWAYS
WITH KINDNESS AND HUMOUR. SHEILA LOUISY

Gabriele Weichert

January 13, 2026

Dr Rosenthal is the reason I am a dermatologist. As a medical student at McMaster I had a chance opportunity to attend his clinic. I remember most his bold enthusiasm, headlamp with magnifier and flashlight, and the many cases we saw. His excitement was infectious, his energy was contagious. I will never forget that first dermatology clinic and I am grateful for the inspiration. My condolences to his family. He was a true leader and a very caring clinician.

Tim O'Shea

January 12, 2026

Sincere condolences to Dr. Rosenthal's family and friends. I was fortunate to interact with him as a medical trainee at McMaster and was always impressed by his extraordinary clinical acumen which was matched only by his wit and warmth as a teacher. He will be missed

Vicky Chen

January 12, 2026

Don was a fantastic clinician based a great deal on history! We were colleagues,
then friends meeting over good meal often in Burlington Golf and Country Club. He was a great teacher, humble, humerus. Don often told us he rarely needed medications... I smile when I read his obituary about him loving red meat! I enjoyed sharing time as meat heads together!!!

K McCarthy

January 12, 2026

Our son was a pediatric patient of Dr Rosenthal. He was wonderful with him. He was friendly, humorous and very reassuring to us at a time when our sons psoriasis was at it´s worst. We were so lucky to have him. A very nice man.

Robert Dickson

January 12, 2026

I was one of the first students and graduates of McMaster Medical School - and chose to have many interactions with Dr. Rosenthal - seeing patients in hospital, attending his lectures and working in his office - eventually being trusted by him to see patients on my own. The experience gained has been expanded through a long family practice - I see many drmatological cases - especially if frustrating other physicians. All due to Dr. Rosenthal - who wanted me to go into dermatology - but at the time it would have meant studying in the USA - not my piece of cake.
I will always remember Dr. Rosenthal, think of him and mention him to colleague and patients frequently. I just learned of his passing. He will be missed.

brian c decker

January 12, 2026

he was a fine man and a superior clinician, it was a privilege knowing him

brian c decker

Kirk Scott

December 4, 2025

Don Rosenthal was my student advisor starting in 1973. I did a one month elective with him in March, 1976. He worked part-time down the hall from my office at Avenue Medical Centre in Brantford in the early 2000s. He was an amazing teacher and good friend. Kirk Scott

Allyn Walsh

December 4, 2025

I was fortunate to be taught dermatology by Don Rosenthal. His joie de vivre was infectious and inspiring. So many Mac med school classes selected him as honorary class president! A wonderful man and the doctors´ dermatologist for sure.

William M.Goldberg

December 2, 2025

I was professionally associated with Don from the time he first came to Hamilton.He not only was a great person and personality he was a great clinician and educator.
Dr.Bill Goldberg

Brian Marshall

December 2, 2025

My sincerest sympathies to the Rosenthal family.
I was a big fan of Dr Rosenthal, he always had a smile and a kind word.
He also had sharp elbows when we played basketball many years ago!
Dr R will be missed.

Mary Lou Baxter

December 2, 2025

Don was an incredible human, my Student Advisor at McMaster Medical School, and my Mentor in Dermatology. He taught with gentle guidance and a phenomenal sense of humour, which was invaluable to his learners. His legacy will live on in all of us who had the great fortune to be his students, colleagues and friends.

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for DONALD ROSENTHAL

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Benjamin's Park Memorial Chapel

2401 Steeles Avenue West, Toronto, ON M3J 2P1