Dion Neutra, the son of the 20th century architect Richard Neutra and a practitioner in his own right who also waged a decades-long war to save his father’s iconic buildings from the ravages of time, remodeling and demolition, has died at his home on Neutra Place in Silver Lake, a neighborhood studded with Neutra architecture. 

Neutra, who was 93, died Sunday in his sleep, said his brother, Raymond Neutra.

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