The weekday lectures (Lezgen or Lectiones, literally: lessons) were free of charge for the interested people in urban and rural areas of the city republic of Zürich, by well-learned men.

[1] Bullinger's Schola Tigurina merged in the 18th century to the theological faculty and the upper secondary school in the then Carolinum been.

In addition to theological subjects and Classical languages, in 1541, the natural history department (Conrad Gessner) and in 1731 a political science chair (Johann Jakob Bodmer) was created, and in 1782 the surgical institute to train medical doctors.

The cloister was dismantled and integrated into the new building those reconstruction was based on the original elements of the architecture, but includes numerous interpretations by the architect.

The compilation of the cultural and historical ornamental plants is inspired by the natural scientist and polymath Conrad Gessner who found his final resting place in the cloister.

After the abolition of the Chorherrenstift congregation in 1832, and to 1849 the structures were widely demolished and replaced by Wegmann's building in the Romanesque Revival style.