Episode9: Early Astronomers

About 20 years after Galileo used the telescope for astronomy,
William Crabtree and Jeremiah Horrocks used it to observe a transit
of Venus in 1639. Carl Barry and Lilian Fletcher researched
documented this unique event. If you missed it a 19mb video here.
Former executive Paul Allen (Allen Telescope Array) from Microsoft
and Wayne Rosing (LSST Observatory) from Google are modern examples
of private investors in space research. Emerging from the the
industrial revolution in the 19th century Lancashire were two
similar individuals who contributed to making large mirrors and
large telescopes. James Naysmith and William Lassell.