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Gaetano Kanizsa (Hebrew:גאטאנו קאניזסא; 18 August 1913 – 13 March 1993) was an Italian psychologist and artist of Jewish and Slovenian descent who last served as a founder of the Institute of Psychology of Trieste.
Gaetano Kanizsa was born on 18 August 1913 inTrieste,Austria-Hungary to a Jew father fromNagybecskerek and aSlovene mother fromBovec. His surname is analogous to the Hungarian town Kanizsa (nowNagykanizsa).
He attended theclassic lyceum and got thelaurea (post-secondary academic degree) at theUniversity of Padova in 1938, writing a thesis oneidetic memory. In 1947 he became a teaching assistant at the University of Florence. In 1953 he returned to Trieste with the role of full professor at theUniversity of Trieste, chair he held for 30 years. He retired from academic life in 1988 and continued research until 1993, the year of his death.
A dominant figure in Italian psychology, Kanizsa became famous in the 1970s, after having published an article aboutillusory contours inScientific American (1976) and the bookOrganization in Vision (1979).
A figure in which three illusory contours form a triangle is known as aKanizsa triangle.
To his scientific interest, Kanizsa added his painting activity.
