Leduc passed away Friday in Salaberry-de-Valleyfield, southwest of Montreal.
The cause was cancer.
A doctor by training, Leduc practiced medicine in LaSalle before getting elected mayor in 1983. He was re-elected four times and remained in office until his city's last day of independent existence on Dec. 31, 2001. The next day, LaSalle became part of Montreal.
During Leduc's tenure, the city saw the construction of the Aquadome swimming complex on Lapierre Street and the CEGEP André-Laurendreau sports complex.
LaSalle was also the first big city to launch wide-scale recycling.