Louis Challis b. 1936

  • Designer
Challis was an engineer with a graduate degree in architectural science, specialising in acoustics. Working with David Wood, Nielsen Design Associates and others, he was a key team member in the development of the NSW Dept of Main Roads' PB/5 pedestrian button, a “Audio-Tactile Pedestrian Detector” (ATPD). This device was developed in the 1970s and remains in use.
We know of no recognitions related to Louis Challis. You can help by linking one here.