Henkin Keisler Models Breitscheidstr. 10 The aim of the workshop zwischen Reflektion und Handlungsempfehlungen The aim of the workshop and the resulting volume was to allow researchers in disparate disciplines to be exposed to the other’s research Die gUnstige Aufnahme These aspects of the Henkin Keisler construction are utilized here to present a perspective on ultraproducts and their applications accessible to the reader familiar with Henkin's proof of the completeness of first order logic and naive set theory The presentation is self contained and proofs of more advanced results from set theory are introduced as needed