. . . . . . "Leonardo da Vinci - Italian Renaissance polymath (1452−1519)" . "scientist - person who use scientific methods to study in an area of interest" . "Angela A. Atem" . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCbZz37OBhc4AV+REXd8h3yHjVR7YlXcY30cqoZZHSCOqJSKHuK/AuVNyqJqQVtWsNBG5LK9G2UFkdXp6fjdH75Ob8TNocoOIkagssHrAfgSwhLEFMOa5vRIQgRfnTscI4Oi1PxVvS9jp7cD7mhPjcWni/s9BsyilrN6HUrj1b0HwIDAQAB" . "b7h3OFy0S7CcSnR8v1Ia8PCLO4WAwveZJqLRRiKZHIMhnNVJQbRV7CYy28qsg7GyYI9Tq0DK4MmofvRnudZncu+6QYu0h7XjMPgn0scvKOThuhe6cmZymeX+d5rhDvE86up1+gJuR1nfeMdTbQ4oHIZem7kK1DfvRtk7clywHrQ=" . . . "2024-10-06T20:34:43.768Z"^^ . . . . "Leonardo da Vinci is a scientist" . . . . .