Ryoji Noyori, Nobel Prize laureate 2001, celebrates his 75th birthday
![75th Birthday: Ryoji Noyori](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/140968b9e9d.jpg)
75th Birthday: Ryoji Noyori
![Guess the Chemist (21)](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/1408780e74e.jpg)
Guess the Chemist (21)
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![100th Anniversary of the First PVC Patent](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/13f2e260302.jpg)
100th Anniversary of the First PVC Patent
Production method for polyvinyl chloride (PVC) first patented 100 years ago by Friedrich Klatte; answer to Guess the Chemist (20)
![Guess the Chemist (20)](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/13f19f51262.jpg)
Guess the Chemist (20)
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![100th Birthday: Mildred Cohn](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/13e5541601c.jpg)
100th Birthday: Mildred Cohn
A biochemist who overcame religious and sexual discrimination
![Guess the Chemist (19)](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/13e553457ce.jpg)
Guess the Chemist (19)
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![100th Anniversary: Clemmensen Reduction](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/13e6ad16cf9.jpg)
100th Anniversary: Clemmensen Reduction
The Clemmensen reduction of ketones and aldehydes is the simplest direct method for converting the carbonyl group into a methylene group
![Guess the Chemist (18)](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/13ed57eb87e.jpg)
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![250th Birthday: Nicolas-Louis Vauquelin](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/13ddae0f920.jpg)
250th Birthday: Nicolas-Louis Vauquelin
Nicolas-Louis Vauquelin discovered chromium and beryllium; answer to Guess the Chemist (17)
![Guess the Chemist (17)](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/13ddade3e84.jpg)
Guess the Chemist (17)
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