[PAR] [TLE] Claude-Auguste Lamy [SEP] Claude Auguste Lamy (] }; 15 June 1820 – 20 March 1878) was a French chemist who discovered the element thallium independently from William Crookes in 1862. [PAR] [TLE] William Crookes [SEP] Sir William Crookes {'1': ", '2': ", '3': ", '4': "} ( ; 17 June 1832 – 4 April 1919) was an English chemist and physicist who attended the Royal College of Chemistry in London, and worked on spectroscopy.  He was a pioneer of vacuum tubes, inventing the Crookes tube which was made in 1875.  Crookes was the inventor of the Crookes radiometer, which today is made and sold as a novelty item.  Late in life, he became interested in spiritualism, and became the president of the Society for Psychical Research.
[PAR] [TLE] Claude - Auguste Lamy [ SEP ] Claude Auguste Lamy ( ] } ; 15 June 1820 – 20 March 1878 ) was a French chemist who discovered the element thallium independently from William Crookes in 1862 . [PAR] [TLE] William Crookes [ SEP ] Sir William Crookes { ' 1 ' : " , ' 2 ' : " , ' 3 ' : " , ' 4 ' : " } ( ; 17 June 1832 – 4 April 1919 ) was an English chemist and physicist who attended the Royal College of Chemistry in London , and worked on spectroscopy . He was a pioneer of vacuum tubes , inventing the Crookes tube which was made in 1875 . Crookes was the inventor of the Crookes radiometer , which today is made and sold as a novelty item . Late in life , he became interested in spiritualism , and became the president of the Society for Psychical Research .
Claude-Auguste Lamy discovered the element thallium independently from this English chemist who died in what year?
Claude - Auguste Lamy discovered the element thallium independently from this English chemist who died in what year ?
1919
1919