|1949||Born on July 6th in Zurich as Thomas Riederer, the fourth and youngest child of Robert and Veronika Riederer-Zumbach.|
|1956||Primary school in Zurich.|
|1963||Secondary school in Zurich.|
|1967||Apprenticeship as furrier in Zurich.|
|1968||Traineeship with various artists: Friedrich „Fritz“ Kuhn, Fred E. Knecht, Beat Kohlbrunner.|
|1971||Produced pictures under the name of Thomas Riederer.
Various exhibitions in Germany, France and Switzerland.
|1980||Married Ursula Bürgi.|
|1981||March 10th first son Emanuel was born.|
|1982||November 8th second son Aurelio was born.|
|1983||Santhori moved to Osterfingen.|
|1984||September 23rd daughter Angelina was born.|
|1989||Attempt to emigrate to Italy, but the mediterranean sea was stronger. Bought the motor sailboat „Costa d‘Ouro“. Living on the boat brought a new phase of life. Worked and lived with the whole family on the MS “Costa d‘Ouro“.|
|1990||The beginning of the era of SANTHORI. Since then, the artist Thomas Riederer is working under the nome de plume Santhori.|
|1991||Return to Switzerland on August 1th (precisely on time).
The new home and studio is now Zurzach / Switzerland.