Socrates (469-399 BC) portrait in line art illustration. He was a classical Greek (Athenian) philosopher and he is considered as the father of western philosophy.
Galileo Galilei(1564-1642) vector portrait in line art. He was an Italian scholar, philosopher, astronomer, physicist and engineer. He also constructed a telescope and supported the Copernican theory,
Young Benjamin Franklin, 1706-1790, he was polymath, author, printer, politician, inventor of the franklin stove, lighting rod and bifocal glasses, and one of the founding fathers of the United States, vintage line drawing or engraving illustration
Aristotle was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of philosophy within the Lyceum and the wider Aristotelian tradition.
Mascot icon illustration of head of Leonardo di ser Piero da Vinci, more commonly Leonardo da Vinci, an Italian polymath of the Renaissance viewed from front on isolated background in retro style.
Galileo Galilei, 1564-1642, he was an Italian polymath, astronomer, physicist, engineer, philosopher, and mathematician who was one of the great creators of experimental science, vintage line drawing or engraving illustration
Benjamin Franklin - politician, diplomat, polymath, inventor, writer, journalist, publisher, freemason. One of the leaders of the US War of Independence
Plato portrait in line art. He was an ancient Greek philosopher, mathematician, author of philosophical dialogues and founder of the Academy, student of Socrates, teacher of Aristotle.
Benjamin Franklin, 1706-1790, he was polymath, author, printer, politician, inventor of the franklin stove, lighting rod and bifocal glasses, and one of the founding fathers of the United States, vintage line drawing or engraving illustration
Leonardo da Vinci portrait sketch engraving vector illustration. T-shirt apparel print design. Scratch board imitation. Black and white hand drawn image.
Dr. Benjamin Franklin, 1706-1790, he was polymath, author, printer, politician, inventor of the franklin stove, lighting rod and bifocal glasses, and one of the founding fathers of the United States, vintage line drawing or engraving illustration
Anaximenes of Miletus was an Ancient Greek, Ionian Pre-Socratic philosopher from Miletus in Asia Minor, active in the latter half of the 6th century BC.
Leonardo da Vinci, Italian painter, inventor and sculptor. Comic cartoon pop art retro drawing illustration
Simon Newcomb, 1835-1909, he was a CanadianAmerican astronomer, applied mathematician, autodidactic polymath, and professor of Mathematics in the U.S. Navy, vintage line drawing or engraving illustration
Galileo Galilei, 1564-1642, he was an Italian polymath, astronomer, physicist, engineer, philosopher, and mathematician who was one of the great creators of experimental science, vintage line drawing or engraving illustration
Retro style illustration of Benjamin Franklin, an American polymath and one of the Founding Fathers of the United States, as a writer writing with quill on isolated background done in black and white.
Leonardo da Vinci stylized portrait. The artist sculptor scientist engineer of the Renaissance. comic cartoon pop art retro vector illustration drawing
Benjamin Franklin was an American polymath, a leading writer, scientist, inventor, statesman, diplomat, printer, publisher, and political philosopher.
Diogenes of Sinope portrait in line art illustration. He was ancient Greek philosopher, one of the founders of the Cynic philosophy.