In this episode Martin talks with a very special guest: Eberhad Wolff is well-known at least in the German software architecture community. Eberhard and Martin talk about different architectural patterns, but not from a SAP perspective. They try to bridge the gap between custom development and standard software. 

Here some links:

SoftwareArchitekTOUR Podcast Episode about APIs (German) 

SoftwareArchitektTour Podcast hosted by heise

Eberhard's YouTube Channel

Eberhard's Books 

Eberhard's Publications on the INNOQ website