where was he from?
Cornwall.
William Gregor
He was born at the Trewarthenick Estate in Cornwall, the son of Francis Gregor and Mary Copley and the brother of Francis Gregor, MP for Cornwall. 
melting and boiling point of group 4 elements UNANSWERABLE what are these elements? It contains the elements titanium (Ti), zirconium (Zr), hafnium (Hf) and rutherfordium (Rf). what are their chemical properties? UNANSWERABLE how are they produced? UNANSWERABLE by whom was the first element mentioned discovered? British mineralogist William Gregor.
wiki:12191669
William Gregor [SEP] Early years
He was born at the Trewarthenick Estate in Cornwall, the son of Francis Gregor and Mary Copley and the brother of Francis Gregor, MP for Cornwall. He was educated at Bristol Grammar School, where he became interested in chemistry, then after two years with a private tutor entered St John's College, Cambridge, graduating BA in 1784 and MA in 1787. He proceeded to the MA and was ordained in the Church of England. He became vicar of St Mary's Church Diptford near Totnes, Devon. He married Charlotte Anne Gwatkin in 1790 and they had one daughter.