His greatest achievement was the cofounding, along with Henry Sidgwick, of the Cambridge University Day Training College in 1891.

Over the subsequent decade, he engaged in various enterprises, which included the founding of a glassworks and the cofounding of a sawmill, both of which apparently failed.

The cofounding of the new "Block" of the old "Kommentverbindungen" during the summer of 1942 is to be seen as a sign of perseverance, which the StV did for the preservation of Swiss freedom.

The deportations from the Warsaw Ghetto precipitated her cofounding of Żegota that same year - an Armia Krajowa (AK, Home Army) unit whose sole purpose was to save Jews."