What is associated with: around 1930 william lear invented one of these for the car marketed under tha name motorola?

What is associated with: around 1916 newspaper writer don marquis created this typing cockroach friend of mehitabel the… What is associated with: around 1920 plates of this silicon mineral were first used to control radio frequencies? What is associated with: around 1927 this american known for his mobiles created a portrait of josephine baker out of w… What is associated with: around 1930 angelos sikelianos tried to revive the famous festival of this town navel of the w… What is associated with: around 1940 scientists found that mutations in these chromosomal units result in defective enz… What is associated with: around 1948 she moved into slums to help the poor on oct 19 2003 she was beatified? What is associated with: around 1950 3 southeast asian states were given some autonomy ending the union known as french… Based on the clue 'around 196 bc this general became chief magistrate...', what is the answer?