Dr. Peter James

Dr. Peter James

male (Cluj-Napoca, Romania)
Dr. Peter James aka Boffin1157 born in the late 1950's in the United Kingdom. I currently live, work, and tutor in Northern Romania. I am engaged...
Sun Tzu

Sun Tzu

male
Sun Tzu or Sun Zi was a Chinese mathematician, sometime between the third to fifth century CE. Interested in astronomy and trying to develop a...