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PETER WELCH Obituary

WELCH--Peter D., aged 94, died on February 13, 2023. Welch, a researcher and mathematician, is best known for the "Welch Method," an approach for spectral density estimation used in physics, engineering and applied mathematics to reduce signal noise. A consummate teller of stories and jokes, Peter had a wonderful sense of humor and will be missed by those who knew him. He is survived by his wife, Carol, two children, Matthew and Rebeccah, and grandchildren, Emma and Christina.

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Published by New York Times on Feb. 19, 2023.

Memories and Condolences
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Barbara Walker

February 19, 2023

Elegant and droll is how I recall Peter at Fowler parties where we played word games. Carol was usually in motion, planning the next trip. I will send the Times death notice to Muriel Landauer, my former neighbor at The Knolls, a CCRC in Greenburgh,
who left to live with a son and his wife. I will also call Alan Fowler in Pittsburgh.
Lasting into the nineties is hard work. I trust Peter took it in stride.
Barbara Walker, widow of Edward Walker, IBM

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