Leo Baekeland
18631944
Belgian American inventor and chemist known as "The Father of the Plastics Industry" for inventing Velox photographic paper and Bakelite
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ফিল্টার প্রয়োগ করে জীবনে সব দেখুন18631935
French Neo-Impressionist painter and graphic artist known for co-developing the Pointillism technique with Georges Seurat
