What is the fine-grained topic of the following text: Various institutions and political bodies with close associations to Alfred Escher are involved in the foundation: Credit Suisse (set up by Escher as Schweizerische Kreditanstalt), Swiss Life (Schweizerische Rentenanstalt), and Swiss Re (Schweizerische Rückversicherungsgesellschaft), as well as the Canton and City of Zurich. Only return the topic.
Involvement of various institutions and political bodies in the foundation related to Alfred Escher