FACES ONLY IN MEMORY

John Robert Schrieffer

• He was an American physicist who, with John Bardeen and Leon N Cooper, was a recipient of the 1972 Nobel Prize in Physics for developing the BCS theory, the first successful quantum theory of superconductivity.
• BCS theory or Bardeen–Cooper–Schrieffer theory is the first microscopic theory of superconductivity since Heike Kamerlingh Onnes’s 1911 discovery. The theory describes superconductivity as a microscopic effect caused by a condensation of Cooper pairs into a boson-like state.

Beji Caid Essebsi

• Tunisia’s first freely elected President, Beji Caid Essebsi has passed away. He was the world’s oldest sitting president.
• Essebsi won Tunisia’s first ....