Alberto Giacometti (1901–1966) was a renowned Swiss sculptor and painter best known for his haunting, elongated, and skeletal figures that reflect existentialist themes. 

Dr. Andrew Marsh is an architect, consultant, and software developer known for his work in building performance analysis and environmental simulation tools.Website: https://andrewmarsh.com/

Carl Jung was a Swiss psychiatrist and psychoanalyst who founded analytical psychology and introduced concepts like the collective unconscious and archetypes. Book: The Red book

Alan Watts (1915–1973) was a British-born philosopher, writer, and speaker who popularized Eastern philosophy for Western audiences.

Walter Segal (15 May 1907 – 27 October 1985) was a visionary, Berlin-born architect who completely transformed British social housing by developing the "Segal self-build method". His innovative system empowered ordinary, unskilled people to build their own lightweight, environmentally friendly, and affordable timber-framed homes

José Ospina is a Colombian-born architect, author, and sustainable development consultant who has spent over four decades pioneering community-led, ecological self-building models across the UK, Ireland, and South America.