Conversation so far:
Where did Mike Bloomfield grow up?
was born in Chicago in 1914.
Who were his parents?
mother was born Dorothy Klein in Chicago in 1918 and married Harold Bloomfield in 1940.
Did he marry in his early years?
CANNOTANSWER.

Question: How did his career get started?
Self-contained rewrite: How did Mike Bloomfield's career get started?