The article written by Percy E. Ludgate in 1909 first gives thanks to Professor C. V. Boys, F.R.S. for his assistance on the subject of analytical machines. Ludgate also refers to the work of Charles ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. In July 1925, Werner Heisenberg submitted a paper to Zeitschrift für Physik entitled ...