Augustus De Morgan was a British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 mathematician

Mathematician

A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....

 and logician. He formulated De Morgan's laws and introduced the term mathematical induction

Mathematical induction

Mathematical induction is a method of mathematical proof typically used to establish that a given statement is true of all natural numbers...

, making its idea rigorous. The crater De Morgan

De Morgan (crater)

De Morgan is a small lunar impact crater that is located in the central region of the Moon, mid-way between the crater D'Arrest two crater diameters to the south, and Cayley to the north. It is named after British logician Augustus De Morgan....

 on the Moon

Moon

The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

 is named after him.
Augustus De Morgan was born in 1806. His father was Col. Augustus De Morgan, who held various appointments in the service of the East India Company

British East India Company

The East India Company was an early English joint-stock company that was formed initially for pursuing trade with the East Indies, but that ended up trading mainly with the Indian subcontinent and China...

. His mother descended from James Dodson

James Dodson

James Dodson FRS was a British mathematician, actuary and innovator in the insurance industry.-Life:Matthew Maty, in his Mémoire sur la vie et sur les écrits de M. A. de Moivre, wrote that Dodson was a pupil of Abraham de Moivre. He worked as an accountant and teacher...

, who computed a table of anti-logarithms, that is, the numbers corresponding to exact logarithm

Logarithm

The logarithm of a number is the exponent by which another fixed value, the base, has to be raised to produce that number. For example, the logarithm of 1000 to base 10 is 3, because 1000 is 10 to the power 3: More generally, if x = by, then y is the logarithm of x to base b, and is written...

s.