Jacques Wirtz (r.)

° 1924, Antwerp
Studies of Landscape Architecture and Horticulture, Tuinbouwschool, Vilvoorde.
Works since 1950 as landscape architect based in Schoten, Belgium.
Founder of the companies Wirtz Landscape Architecture nv and Wirtz International nv, contracting firm (48 employees) and design firm (12 employees).

Martin Wirtz (l.)

° 1963, Schoten
Studies of Landscape Architecture, Tuinbouwschool, Melle.
Since 1986 in the family business.  

Peter Wirtz (m.)

° 1961, Schoten
Studies of Music, Conservatorium Antwerp and Landscape Architecture, Cornell University, Ithaca (N.Y.).
Since 1990 in the family business.