David Allan Pietrzak, 58, of the Lovejoy neighborhood of Buffalo, died August 5, 2011 He was born Dec. 5, 1952 in Clearwater, Fla., the son of the late Joseph Alois and the late Dorothy Patricia Lask Wisniewski. A graduate of Hutch Tech High School, he was certified in many trades, had been employed at Ford Motor Company, and was a full time father. He enjoyed car shows, collecting, stained glass, and his baby - his 1970 Ford Mustang. He was knowledgeable about everything, and always loved to learn new things. He was a great listener, and will be remembered as a smart, honest, loyal, and the most lovable and dependable man ever. Surviving are his wife, Amy D. Holliday whom he married Nov. 17, 2009 in New York City; his daughter, Andrea C. Pietrzak; his granddaughter, Leah L. Szpara; two stepdaughters: Naomi Rosario and Nina Rosario; and two sisters: Donna and Carol. The family will receive friends from 2:00 - 4:00 P.M. Thursday, Aug. 11, 2011 at Beach-Tuyn Funeral Home, Inc., 5541 Main St., Williamsville, where a funeral service will follow at 4:00 P.M. David's Wisdom will live on forever.