Kayserling reveals a web of fascinating characters surrounding Columbus and even more about other contributions of the Jews in this Age. We learn about the self-education of Columbus. At age 26 in LIsbon, Portugal, the jewsih mathamatician Joseph Vecinho translates an important astronomical work from Hebrew and gives it to young Columbus. This Almanach Perpetuum and Tables contains tables of sun, moon and star positions over the course of a year. A copy with Columbus' notes exists, showing the intense study Columbus made of it.
How did Columbus convince King Ferdinand and Queen Isabella to support his project? The many attempts and failues are documented.
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