Life
| 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. |