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Lester Isenstadt Obituary

Lester Isenstadt M.D.
09/29/2024
Lester Isenstadt M.D., born to Abraham and Charlotte Isenstadt, passed away on September 29, 2024, aged 82. He was surrounded by his family, to whom he was devoted. He is survived by his wife of 42 years, Catherine, and his sons Alex and Joseph.
Lester grew up in Cambridge, MA. He suffered illness as a child, and determined to become a doctor in order to provide the same deep care and dedication that he received from his own doctors.
He attended Boston University and then enrolled at the University of Arkansas Medical School to train to be a psychiatrist. He told colorful stories of the culture shock of being one of the few Jewish people in Little Rock. After medical school he moved to San Francisco for his psychiatric residency, and when that was completed trained as a child and adult psychoanalyst. He found deep purpose in his work and in helping his patients.
He became passionate about neuroscience as the field of psychology became increasingly informed by it. He loved to spend his time studying neurobiological literature to better help his patients. He was particularly interested in how people react to mistakes and showing his patients that mistakes are a gift and a gateway to learning. He was devoted to learning, and used to say that a day was wasted if he hadn't learned something. Even in his final weeks, he continued to study and remained devoted to his patients and their emotional wellbeing.
Donations in his memory can be made to the Pancreatic Cancer Action Network.

To plant trees in memory, please visit the Sympathy Store.

Published by San Francisco Chronicle from Oct. 22 to Oct. 23, 2024.

Memories and Condolences
for Lester Isenstadt

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Grace

September 24, 2025

Though I never met Lester, I do know Katherine. My memory of Lester is through the stories Katherine shared with me about their life together . Love, family, and fortune blessed their lives. Katherine, thank you so much for blessing my life. I'll remember you always. Grace

Ruthann Z. Cohn

March 26, 2025

I discovered, today, that Dr. Isenstadt died six months ago.
I knew him as his patient for three years, and before that, as a teacher at a school where Dr. Isenstadt volunteered an hour once a month to talk with us about our student´s problematic behaviors. I hadn´t seen Dr. Isenstadt for over 15 years, but he lived in my mind, and occasionally I would call his number after hours to make sure that he was in the world , and practicing psychiatry. I feel a sense of loss knowing that he is gone, and I am sad that he is not in the world anymore. I wish I had sent him a New Years card since the thought occurred to me several times. I remember bringing him a loaf of challah on the Friday after 9/`11. I figured that it must have been a very hard week for him. He was a lovely and subtle man, and I hope he didn´t suffer, but he probably did. I feel like a door has closed.

Former Patientb

January 15, 2025

I just found out about Dr. Isenstadt passing and I am saddened to hear this. He was a great psychiatrist and I can hear his voice now asking me how my mood has been. May he rest in peace

Jean Frazier Rosenthal

January 5, 2025

I've just learned of Dr. Isenstadt's death. My condolences to his family. His kindness and caring along with his professional expertise were so important to me and my son in a very difficult time decades ago. He was a gift to us all.

Kathryn Raphael

November 24, 2024

A wonderful man who guided me through many difficult times during the 52 years I was his patient. I miss him but his wisdom and guidance live on in my heart.

Former "Student"

November 19, 2024

Dr. Isenstadt assisted our family for over two decades. He taught me a good deal about how humans work, informed both by his focus on neuroscience and by an evolutionary perspective, and he offered practical counsel about how to manage in the world. Beyond his insights, "Dr. I" was an extraordinarily patient and gentle soul. Though I hadn't seen him in a good while, I miss his presence among the living. Still, his lessons and warmth abide in those he helped.

William H. Olson, MD

November 18, 2024

I just today learned of Dr Isenstadt´s passing and would like to pass on condolences to his family. I was fortunate to have known him and to have him as my physician.

A grateful former client

November 2, 2024

Dr. Isenstadt helped me so much. He listened to me and I felt understood. I will miss him. Wishing great condolences to his family and friends.

client

October 27, 2024

Dr Isenstadt was a brilliant man and irreplaceable as a psychiatrist. I'm incredibly grateful to have known him as a patient for over 20 years. His passing is a tragic loss indeed.

Former client

October 22, 2024

He was not only highly intelligent, but also a very kind person. He made a great effort to help my son and our family and we appreciated it. May his memory be a blessing.

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To offer your sympathy during this difficult time, you can now have memorial trees planted in a National Forest in memory of your loved one.

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