Sir Harold Spencer Jones, K.B.E., F.R.S.

Sir Nicholas Harold Ridley, Kt, MD, FRCS, FRS: contributions in addition to the intraocular lens.

Most obituaries are crafted to provide a brief biographical sketch of an individual, to list his or her accomplishments and honors, and to express gratitude to the deceased. In this memorial to Sir Harold as well as another obituary covering different facts of his life published in the American Journal of Ophthalmology, we have chosen a diverse course. Our purpose here is not only to honor him,...

Sir Harold Ridley's vision.

This valediction to the late Sir Harold Ridley commemorates the 50th year of his first publication in the St Thomas’s Hospital Report, describing his pioneer undertaking to research, design, and implant an intraocular lens to correct aphakia. Dissatisfied with the poor acuity and loss of binocular single vision following unilateral cataract extraction and the poor outcome, particularly in child...

Sir Martin Roth FRS: an appreciation.

Since the mid-19th century central Europe had been the cradle of conceptual thinking had been the cradle of conceptual thinking in clinical psychiatry. Following the turbu-in clinical psychiatry. Following the turbulence and persecution in the 1920s and lence and persecution in the 1920s and 1930s some of a later generation of mid-1930s some of a later generation of mid-European psychiatrists e...

[Sir Robert Jones (1857-1933)].

Sir Alan Lloyd Hodgkin OM , KBE , PRS Sir Andrew Fielding Huxley OM

s (Listed in alphabetically order of author’s surname) Kazuyuki Aihara Institute of Industrial Science, University of Tokyo CHAOS AND BIFURCATIONS IN THE HODGKIN-HUXLEY EQUATIONS AND SQUID GIANT AXONS Chaos, or deterministic chaos, is ubiquitous in nonlinear dynamical systems of the real world, including biological systems. Nerve membranes have their own nonlinear dynamics which generate and pr...