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How the Discoveries of Isaac Newton and Ferdinand Magellan Changed the Halachic Definitions of Up and Down

November 11 @ 3:00 pm - 4:00 pm MST

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A virtual event presentation by Dr. Jon Greenberg

Event Co-Sponsored By:



The class will cover many of the following ideas –

*How the discoveries of Isaac Newton and Ferdinand Magellan changed the halachic definitions of up and down
*Changing meaning within Tanach: Why is “a land dripping with milk and honey” a blessing in Torah but a curse in Isaiah?”
*How did the Talmud’s classification of living things anticipate a scientific discovery by 1700 years?
*Structure of the Solar System in the Talmud and later


Jon Greenberg received his Bachelor’s degree with honors in biology from Brown University and his Master’s and Doctorate in agronomy from Cornell University. He has also studied with Rabbi Chaim Brovender at Israel’s Yeshivat HaMivtar and conducted research on corn, alfalfa, and soybeans at Cornell, the US Department of Agriculture, and the University of Pennsylvania’s Institute for Cancer Research. Since 1989, he has been a science teacher and educational consultant. Dr. Greenberg was Senior Editor of science textbooks at Prentice Hall Publishing Co. Previously on the faculty of Yeshivas Ohr Yosef, the School of Education at Indiana University, and the University of Phoenix, he has taught at the Abraham Joshua Heschel School since 2008. He is a frequent speaker at synagogues, schools, and botanical gardens. Dr. Greenberg publishes his essays on Biblical and Talmudic botany on his Web site, TorahFlora.org. He can be contacted at 201-261-0385 or jon@torahflora.org.





November 11
3:00 pm - 4:00 pm MST
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