William Marshall Callender: Difference between revisions
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1893 Patented a material made from skimmed milk which could be substitute for bone or celluloid. Several more patents followed on various subjects | 1893 Patented a material made from skimmed milk which could be substitute for bone or celluloid. Several more patents followed on various subjects | ||
1911 Research chemist, employer, living in Guernsey<ref>1911 census</ref> | |||
1912 Patented a method of making isoprene or similar hydrocarbons. | 1912 Patented a method of making isoprene or similar hydrocarbons. | ||
Revision as of 18:12, 2 March 2018
William Marshall Campbell Callender
1859 Born in Govan, son of William Ormiston Callender and his wife Jean nee Marshall[1]
1881 Bitumen Manufacturer, lived with his parents in Hammersmith[2]
1881 Developed vulcanized bitumen which his father patented.
Moved to Guernsey
1893 Patented a material made from skimmed milk which could be substitute for bone or celluloid. Several more patents followed on various subjects
1911 Research chemist, employer, living in Guernsey[3]
1912 Patented a method of making isoprene or similar hydrocarbons.
See Also
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