Ancient & Medieval — Set 5

Correct Answer: B. Aristotle

• **Aristotle** = He is the Father of Logic for inventing the system of formal reasoning known as syllogism. • **'Organon'** — His collected works on logic, titled this, remained the dominant system for centuries. • 💡 Wrong-option analysis: Plato: Greek philosopher, teacher of Aristotle, focused on metaphysics and idealism; Socrates: influential Greek philosopher, focused on ethics; Descartes: French philosopher, Father of Modern Philosophy, known for 'cogito, ergo sum'.

Correct Answer: C. Jabir ibn Hayyan

• **Jabir ibn Hayyan** = He is called the Father of Chemistry for introducing laboratory techniques like distillation and shifting alchemy to a scientific approach. • **distillation** — He pioneered this and other lab techniques, which were fundamental to early chemical experimentation. • 💡 Wrong-option analysis: Lavoisier: Father of Modern Chemistry, established law of conservation of mass; Robert Boyle: pioneered modern experimental chemistry, formulated Boyle's Law; Paracelsus: Swiss physician and alchemist, contributed to toxicology.

Correct Answer: D. Thucydides

• **Thucydides** = He is the Father of Scientific History for his focus on evidence, human-centered causes, and rejecting divine intervention. • **Peloponnesian War** — His detailed account of this conflict is considered a masterpiece of political and historical analysis. • 💡 Wrong-option analysis: Tacitus: Roman historian, known for his analyses of imperial Rome; Xenophon: Greek historian and student of Socrates; Herodotus: Father of History, but less scientific in approach compared to Thucydides.

Correct Answer: C. Thales

• **Thales** = He is traditionally known as the Father of Philosophy for being the first to seek natural origins of the world through rational inquiry. • **seven sages of Greece** — He is considered the first among these revered figures, symbolizing his foundational role. • 💡 Wrong-option analysis: Heraclitus: Greek philosopher known for 'everything flows'; Socrates: influential Greek philosopher, teacher of Plato; Anaximander: early Greek philosopher, student of Thales.

Correct Answer: C. Hipparchus

• **Hipparchus** = He is the Father of Trigonometry for developing the first known table of chords for astronomical use. • **precession of the equinoxes** — He is credited with the discovery of this astronomical phenomenon, highlighting his comprehensive contributions. • 💡 Wrong-option analysis: Ptolemy: Greco-Roman mathematician and astronomer, built upon Hipparchus's work; Aryabhata: ancient Indian mathematician, contributed to trigonometry with sine tables; Kepler: known for laws of planetary motion, not primarily trigonometry.

Correct Answer: A. Sushruta

• **Sushruta** = He is titled the 'Father of Surgery' for his ancient text 'Sushruta Samhita'. • **'Sushruta Samhita'** — This text describes complex surgical procedures and classifies over a hundred types of surgical instruments. • 💡 Wrong-option analysis: Charaka: Known as the 'Father of Indian Medicine', focused on internal medicine; Nagarjuna: An influential Buddhist philosopher and alchemist; Varahamihira: A renowned ancient Indian astronomer and mathematician.

Correct Answer: B. Copernicus

• **Nicolaus Copernicus** = He is commonly recognized as the 'Father of Modern Astronomy'. • **Heliocentric theory** — This theory proposed that the Earth revolves around the Sun, challenging the long-held geocentric belief. • 💡 Wrong-option analysis: Brahe: A Danish astronomer known for his accurate and comprehensive astronomical observations; Newton: Developed the laws of motion and universal gravitation; Galileo: An Italian astronomer who made significant improvements to the telescope and observations.

Correct Answer: D. Socrates

• **Socrates** = He is known as the 'Father of Western Philosophy' for shifting focus toward ethics and the 'Socratic Method'. • **'Socratic Method'** — This method of questioning aims to stimulate critical thinking and illuminate ideas. • 💡 Wrong-option analysis: Plato: A student of Socrates and founder of the Academy in Athens; Aristotle: A student of Plato and polymath whose writings covered many subjects; Epicurus: An ancient Greek philosopher who founded the school of Epicureanism.

Correct Answer: C. Brahmagupta

• **Brahmagupta** = He invented the concept of zero as a number in mathematics. • **628 CE** — In this year, Brahmagupta's work 'Brahmasphutasiddhanta' defined zero as a number and described its mathematical properties. • 💡 Wrong-option analysis: Euclid: A Greek mathematician often called the 'Father of Geometry'; Aryabhata: An Indian mathematician and astronomer who developed a place-value numeral system and approximated Pi; Pythagoras: A Greek philosopher and mathematician known for the Pythagorean theorem.

Correct Answer: C. Johannes Gutenberg

• **Johannes Gutenberg** = He invented the movable type printing press around 1440. • **1440** — This year marks the approximate invention of the printing press in Germany, which revolutionized the spread of knowledge. • 💡 Wrong-option analysis: Leonardo da Vinci: A Renaissance polymath known for art, engineering, and anatomy; Galileo Galilei: An Italian astronomer who made significant improvements to the telescope; Isaac Newton: Developed the laws of motion and universal gravitation.