Conversation so far:
what was A.
C.
Bhaktivedanta Swami Prabhupada's religion?
In 1933 he became a formally initiated disciple of Bhaktisiddhanta.
what was his training like?
In 1922, when he first met his spiritual master, Bhaktisiddhanta Sarasvati Thakura, he was requested to spread the message of Chaitanya Mahaprabhu.
did he spread the message?
he started the publication called Back to Godhead, for which he acted as writer, designer, publisher, editor, copy editor and distributor.
how long did the publication last?
In 1944, (from his front room at Sita Kanta Banerjee, Calcutta), he started the publication.
did he travel?
From 1950 onwards, he lived at the medieval Radha-Damodar mandir in the holy town of Vrindavan.
did he teach anyone else?
his early disciples, followers used to call him "Swamiji".

Question: in Vrindavan, what did he do?
Self-contained rewrite: What did A.C. Bhaktivedanta Swami Prabhupada do in the holy town of Vrindavan?