Dr Paul Parsons is a regular contributor to Nature, New Scientist and the Daily Telegraph. He frequently appears on BBC radio and his television credits include Richard & Judy and BBC Breakfast. He was formerly editor of the BBC's award-winning science and technology magazine Focus.

• Zero One Natural numbers Geometry Pythagoras Euclid Euclidian space Thales of Miletus Al-Khwarizmi Fractions Functions Squares and roots Pi Sine Cosine Tangent Trigonometry Infinity Imaginary numbers Curves Topology Dimensions Fractals Primes Rational numbers Irrational numbers Algebra Abstract algebra Sets Cantor sets Blaise Pascal Countable sets Power sets Vectors Sophie Germain Graphs Dense sets Mandelbrot sets Derivatives Fibonacci sequence Emmy Noether Godel's incompleteness theorem Fermat's last theorem Mobius strip Hilbert's Infinity Hotel Julia set John Nash Riemann hypothesis Golden ratio Michael Atiyah Andrew Wiles Roger Penrose.

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