Robert Sonner was born in Illinois in 1932. He taught science in Waldorf schools for over forty years until his retirement. He is also the author of Physics for Waldorf Middle Schools.
'Whether you are an experienced class teacher or teaching physics
of chemistry for the first time, you will welcome this pair of
books by master teacher Robert Sonner. With many demonstrations and
experiments not found in other Waldorf resources, Sonner's
practical instructions, clear explanations and useful background
material will allow you to take the teaching of physical science to
a new level.'
-- Roberto Trostli, author of Physics is Fun!
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