André Leroi-Gourhan 1911-1986

Armand Leroi

widespread decisions, such as how a group of primates decide where to travel after a rest period or how a flock of birds decides when to leave a foraging patch. “Unless all members decide on the same action, some will be left behind and will forfeit, at least temporarily, the advantages of group living,” they write. “Thus, in order to maintain group cohesion, social animals — like humans — have...

A conjecture of Yves André . ∗

The introduction to [2] (and references contained therein) contains a comprehensive exposition of terminology and notations relative to this conjecture. Since we use the same terminology and notations, we do not reproduce them here. The introduction to [2] also contains an exposition of results on this conjecture obtained before the article [3] came out. In this article we prove the following t...

Maclyn McCarty (1911–2005)

The editorial board lost a real soul mate when Maclyn McCarty passed away on January 2nd at age 93. While attending the theater with friends, one of the many activities that he enjoyed, he collapsed. “Dr. Mac” was revered worldwide for his remarkable experiments that led to the identification of DNA as the genetic material. This totally unanticipated discovery, and the revolutionary 1944 paper ...

Simon Flexner, 1911

Stiegler Reading Derrida: The Prosthesis of Deconstruction in Technics

In his massive multi-volume work Technics and Time Bernard Stiegler explores a history of technics as epiphylogenesis—the preservation in technical objects of epigenetic experience. Epiphylogenesis for Stiegler marks a break with genetic evolution (which cannot preserve the lessons of experience), a break which also constitutes the “invention” of the human. As Stiegler puts it in the general in...