Leonard J. Derkowski Sr, 89 of Delray Beach, Florida died peacefully in his sleep at Manor Care Nursing Home, Boca Raton, Florida on December 22, 2020, Leonard was born on May 25, 1931 in Chicago, Illinois, the son of Alex Henry Derkowski and Rose Agnes Wojczynski-Derkowski. He was married to Ann C. Speller-Derkowski who preceded him in death.
He attended Bowen High School in Chicago.
Leonard Joined the U.S. Navy and honorably served...
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