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 a 1950s advisory board to MoMA.
Eero Saarinen’s TWA terminal at JFK, and the hundreds of other mid-century innovators in curved concrete design.