• Pythagoras (Greek)

• Born about 530 BC.

• .Pythagorean theorem, golden ratio...

• .Led a religious cult worshipping numbers.

• .Vegetarians, w/o beans.

• Euclid (Greek)• Born about 325

BC.• Wrote the book

The Elements.• This is pretty

much our current geometry textbook!

• We call him the Father of Geometry.

• Hypatia (Alexandria, Egypt)

• Born about 370 AD.• First documented

female mathematician.

• Preserved Euclid's works.

• Was horribly murdered…

John Napier (Scottish, 1550-1617)*Invented logarithms!*Predicted machine guns, submarines, and tanks*Believed the world would end between 1688-1700*Tried to prove the Pope was the Antichrist*Many thought he may be mentally unbalanced...

Sir Isaak Newton (1642-1727, England)• Science & Math• Developed calculus in 1660’s but didn’t

publish until much later• Usually given more credit for developing

calculus• Fig Newtons…

Gottfried Leibniz (1646-1716, Germany)• Philosophy, literature, politics, & math• Developed calculus in the 1670’s and

published it right away• We use Leibniz’s notations today (differentials)• Choco-Leibniz cookie biscuits…

Sonya Kovalevski(1850-1891, Russian)

• Was equally talented in math and literature (published novels, plays, and poetry)

• Taught herself trig by inventing it …

• Teacher, loved by her students• Doctorate degree at age 24.

• Mixed calculus and physics• Lived a bit of a scandalous life, died

at age 41.