John C. Jones (1903-1976)

John von Neumann 1903 - 1957

If influence of a scientist is interpreted broadly enough to include impact on fields beyond science proper then John von Neumann was probably the most influential mathematician ever lived: not only did he contribute to almost all branches of modern mathematics and created new fields but he also changed history after the second World War by his work in computer design and by being a sought-afte...

John C

A persistent, but little researched, theme in demographic transition theory is that of transition, especially fertility transition, lagging for cultural reasons behind changes in material circumstances. A sub-theme is that of the lag time being shortened by social upheaval challenging the cultural retardants and thus causing demographic behaviour to catch up with economic reality. This paper ex...

John C. Avise

John Avise was born and raised in Grand Rapids, Michigan. He earned a BS in fishery biology from the University of Michigan, an MA in zoology from the University of Texas, and a PhD in genetics from the University of California at Davis, before joining the faculty at the University of Georgia where he stayed for 30 years. In 2005, he took his current position: Distinguished Professor of Ecology...

Zeitschrift für Naturforschung / C / 31 (1976)

A tobacco-like odorous compound isolated from a bloom of the blue-green alga M icrocystis w esenbergii and a laboratory culture of M. aeruginosa was analysed by gas-liquid chromatography and mass spectrometry. Its structure was determined as /?-cyclocitral. No other monoterpenes have been detected in these and in other blue-green algae. The hydrocarbon content was 0.10 — 0.18% of the dry weight...

Dr . John F . Burger Roosevelt ’ s 1903 Visit A Ride to the Infernal Regions