# Recent Changes -- up to September 2020

We have 3 new

We have 10 expanded

There are 35 new entries in our

Heinz Klaus Strick has added another 23 biographies to his Collection of biographies:

**biographies**:

We have 10 expanded

**biographies**:

- Bohl, Piers
- Bonnet, Pierre Ossian
- Chuquet, Nicolas
- Cochran, William
- Desargues, Girard
- Ferrar, William
- Karp, Carol
- Koebe, Paul
- Landsberg, Georg
- Lévy, Paul
- Macfarlane, Alexander
- Rajagopal, C T
- Watson, Neville

There are 35 new entries in our

**Additional material**category. Each is linked to the entry on the left.

Heinz Klaus Strick has added another 23 biographies to his Collection of biographies:

- al-Khwarizmi
- Apollonius of Perga
- Bernoulli, Daniel
- Bhaskara II
- Boole, George
- Brouncker, William
- Desargues, Girard
- Dürer, Albrecht
- Harriot, Thomas
- Kronecker, Leopold
- La Condamine, Charles Marie
- Leonardo da Vinci
- Lie, Sophus
- Lobachevsky, Nikolai
- Maclaurin, Colin
- Maupertuis, Pierre Louis
- Mirzakhani, Maryam
- Peano, Guiseppe
- Sierpinski, Wacław
- Stirling, James
- Sylvester, James
- Viète, François
- Wallis, John
- Zu Chongzhi

The list of changes up to July 2020 is at THIS LINK