Holker J (2)

General Information
Last Name: 
Holker
First Name: 
John
Gender: 
Male
Approximate DOB: 
1745
Exact DOD: 
Saturday, April 13, 1822
Place of Birth: 
Manchester
Place of Death: 
Springbourg, VA (USA)
Countries Active In: 
France
United States
Towns and Regions Active In: 
Rouen
Keywords: 
Education
Education/Training: 
1764-67: studied chemistry with GF Rouelle, Cadet de Gassicourt and others. 1767: sent by Trudaine de Montigny on an industrial mission to Picardy and Flanders.
Activities and Career
Active in Chemistry: 
Yes
Chemical Activities: 
chemical manufacturer
Notes: 
late 1768: appointed assistant inspecteur de manufactures to his father
1768: assisted his father in establishing the sulphuric acid works in Rouen.
1769 and 1770: industrial espionage missions to England and Scotland from which he brought back the lead chamber process.
1777: sent on a diplomatic mission to America by Vergennes. Supplier to the French navy and consul-general, Philadelphia.
Secondary Sources: 
Detailed Reference: 
pp. 9-12