Do a search on the word “poly­math” and you will see an image or ref­er­ence to Leonar­do da Vin­ci in near­ly every result. Many his­tor­i­cal figures—not all of them world famous, not all Euro­peans, men, or from the Ital­ian Renaissance—fit the descrip­tion. But few such record­ed indi­vid­u­als were as fever­ish­ly active, rest­less­ly inven­tive, and aston­ish­ing­ly … Con­tin­ue read­ing Leonar­do da Vinci’s Ear­li­est Note­books Now Dig­i­tized and Made Free Online: Explore His Inge­nious Draw­ings, Dia­grams, Mir­ror Writ­ing & More