In 1937 Carlo Perrier & Emilio Segre filled in no. 43 on this table, the first entry to be artificially produced
.... Rightly proud of having filled a gap in the periodic table by their 
discovery of... [DOC] [TLE] A Mind Always in Motion - UC Press E-Books Collection, 1982-2004 [PAR] On the contrary, the professor of mineralogy, Carlo Perrier (18861948) was ... At 
the first faculty meeting, with about a dozen professors sitting around a table, ... 
Imprudently, my father or I (I do not remember who) made some comments on 
this.