تصویر لینکلن در بالا توسط Kerry Mitchell رسم شده است. برای کارهای دیگر ایشان لینک زیر را ببینید:
http://www.kerrymitchellart.com/#sthash.1SPcb7AI.dpuf
http://www.kerrymitchellart.com/#sthash.1SPcb7AI.dpuf
Forwarded from آموزش و خلاقیت
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A mathematician will recognise Cauchy, Gauss, Jacobi or Helmholtz after reading a few pages, just as musicians recognise, from the first few bars, Mozart, Beethoven or Schubert.
~Ludwig Boltzmann
@infinitymath
~Ludwig Boltzmann
@infinitymath