Niccolò Fontana Tartaglia: Mathematician and Engineer
Early Life:
Niccolò Fontana Tartaglia was born on February 20, 1499, in Brescia, Republic of Venice (now in Italy). His early life was marked by adversity, as he suffered a facial injury during an attack on his family when he was 12 years old. The attack left Tartaglia with a facial disfigurement, leading to the nickname “Tartaglia,” meaning “stammerer” in Italian. Despite the challenges, he showed a keen interest in mathematics from a young age.
Self-Education and Early Career:
Due to his family’s financial difficulties, Tartaglia was largely self-taught in mathematics. He studied the works of ancient mathematicians, particularly those of Euclid. By the age of 25, Tartaglia had acquired a deep understanding of mathematics, and his expertise caught the attention of influential individuals in the field.
Invention of the Cardano-Tartaglia Formula:
One of Tartaglia’s most significant contributions to mathematics was the solution to the cubic equation. In 1535, Tartaglia solved the cubic equation in a general form during a mathematical contest in Venice against the mathematician Antonio Fior. He kept the solution a secret for some time, leading to a rivalry with Gerolamo Cardano, another mathematician who was eager to discover Tartaglia’s method.
The conflict between Tartaglia and Cardano eventually led to the publication of Tartaglia’s solution in Cardano’s book “Ars Magna” in 1545. However, Tartaglia felt betrayed, as he had shared his solution with Cardano in confidence. The formula for solving the cubic equation, known as the Cardano-Tartaglia formula, is a cornerstone of algebra.
Later Career:
Despite the success of his solution to the cubic equation, Tartaglia faced personal and professional challenges. He held various positions as a mathematician and engineer in different Italian cities. Tartaglia’s later years were marked by financial difficulties, and he struggled to secure stable employment.
Legacy:
Niccolò Fontana Tartaglia died on December 13, 1557, in Venice. His contributions to mathematics, particularly the solution to the cubic equation, played a crucial role in the development of algebra. The Cardano-Tartaglia formula was a key advancement in the understanding of equations, and it laid the groundwork for further mathematical developments in subsequent centuries.
Tartaglia’s life is a testament to the power of self-directed learning and perseverance in the face of adversity. Despite facing personal challenges, he made lasting contributions to mathematics that continue to be studied and appreciated by mathematicians and students today.