Landscape architecture, the wide profession that builds on ethics, ecology, art, physics, horticulture, soil management, urban planning, public policy, engineering, social science
Richter Spielgeräte in particular; Northern European playgrounds in general. Designers who mix art into objects of play.
Jim Miller-Melberg, American designer of “swiss cheese” concrete climbing objects and the arching concrete basketball stand. Member of an 1950s advisory board to MoMA.
Eero Saarinen’s TWA terminal at JFK, and the hundreds of other mid-century innovators in curved concrete design.