Franz Brentano
![Franz Brentano in 1890](https://upload.wikimedia.org/wikipedia/commons/5/50/Franz_Brentano_in_Vienna%2C_1890.png)
Originally a Catholic priest, Brentano withdrew from the priesthood in 1873 due to the dogmatic definition of papal infallibility in ''Pastor aeternus''. Working subsequently as a non-denominational professor, his teaching triggered research in a wide array of fields such as linguistics, logic, mathematics and experimental psychology through the young generation of philosophers who were gathered as the School of Brentano. Provided by Wikipedia
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