In his book "Leadership: Six Studies in World Strategy," Henry Kissinger explores the qualities of great leaders and the challenges faced by leaders of nations.

David Witzthum explores the unlikely alliance formed between David Ben Gurion and German Chancellor Konrad Adenauer shortly after WWII in his book "The Beginning of a Wondrous Friendship? The story of Israeli-German reconciliation 1948-1960."

In his book "The Beginning of a Wondrous Friendship? The story of Israeli-German reconciliation 1948-1960," historian David Witzthum explores the unlikely alliance between Israel's Ben Gurion and Germany's Konrad Adenauer shortly after WWII.