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Sergei Nikolaievich Winogradsky  (1 September 1856 – 25 February 1953) was a Ukrainian-Russian microbiologist, ecologist and soil scientist who pioneered the cycle of life concept.  Winogradsky discovered the first known form of lithotrophy during his research with Beggiatoa in 1887. He reported that Beggiatoa oxidized hydrogen sulfide (H2S) as an energy source and formed intracellular sulfur droplets. This research provided the first example of lithotrophy, but not autotrophy.

Sergei Nikolaievich Winogradsky (1 September 1856 – 25 February 1953) was a Ukrainian-Russian microbiologist, ecologist and soil scientist who pioneered the cycle of life concept. Winogradsky discovered the first known form of lithotrophy during his research with Beggiatoa in 1887. He reported that Beggiatoa oxidized hydrogen sulfide (H2S) as an energy source and formed intracellular sulfur droplets. This research provided the first example of lithotrophy, but not autotrophy.

English: Adolf von Baeyer, Nobel Prize in Chemistry 1905. "[for] the advancement of organic chemistry and the chemical industry, through his work on organic dyes and hydroaromatic compounds"

English: Adolf von Baeyer, Nobel Prize in Chemistry 1905. "[for] the advancement of organic chemistry and the chemical industry, through his work on organic dyes and hydroaromatic compounds"

On August 4, 1805, Irish mathematician William Rowan Hamilton was born, who invented the quaternions (i.e. an extension of the complex numbers) http://yovisto.blogspot.de/2013/08/william-hamilton-and-quaterions.html

On August 4, 1805, Irish mathematician William Rowan Hamilton was born, who invented the quaternions (i.e. an extension of the complex numbers) http://yovisto.blogspot.de/2013/08/william-hamilton-and-quaterions.html

John Dalton (1803-1807)- Known as "The Father of modern chemistry." Made the first comprehensive description of the behavior of all matter.

John Dalton (1803-1807)- Known as "The Father of modern chemistry." Made the first comprehensive description of the behavior of all matter.

ThorHeyerdahl - Norwegian adventurer and archaeologist, sailed across the Pacific ocean on a balsa log raft to demonstrate the possibility that ancient cultures in Polynesia and elsewhere could successfully navigate great distances in simple boats, described his voyage in the book "Kon-Tiki"

ThorHeyerdahl - Norwegian adventurer and archaeologist, sailed across the Pacific ocean on a balsa log raft to demonstrate the possibility that ancient cultures in Polynesia and elsewhere could successfully navigate great distances in simple boats, described his voyage in the book "Kon-Tiki"

On April 25, 1903, Soviet mathematician Andrey Nikolaevich Kolmogorov was born. He was one of the most important mathematicians of the 20th century, who advanced various scientific fields, among them probability theory, topology, intuitionistic logic, turbulence, classical mechanics, algorithmic information theory and computational complexity.

On April 25, 1903, Soviet mathematician Andrey Nikolaevich Kolmogorov was born. He was one of the most important mathematicians of the 20th century, who advanced various scientific fields, among them probability theory, topology, intuitionistic logic, turbulence, classical mechanics, algorithmic information theory and computational complexity.

Black Hat, a world leader in IT security events, announced today that Internet pioneer Dr. Steve Crocker, who serves as the Chairman of the Board of ICANN will present the keynote address at Black Hat Asia 2014 to which is on March 25 to 28, this year at the Marina Bay Sands in Singapore. om/news/steve-crocker-keynote-at-black-hat-asia-2014-in-singapore

Black Hat, a world leader in IT security events, announced today that Internet pioneer Dr. Steve Crocker, who serves as the Chairman of the Board of ICANN will present the keynote address at Black Hat Asia 2014 to which is on March 25 to 28, this year at the Marina Bay Sands in Singapore. om/news/steve-crocker-keynote-at-black-hat-asia-2014-in-singapore

Richard Smalley--a Nobel laureate who won the Nobel Prize for his work with carbon nanoparticles.

Richard Smalley--a Nobel laureate who won the Nobel Prize for his work with carbon nanoparticles.

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