origins — the beginning or start of something
collapsed — fell down suddenly
straight away — immediately, without waiting
came across — discovered something by accident
lead — a type of heavy grey metal
historical figure — a real and important person from the past
looking into — investigating or studying something carefully
numerous — very many, a large number of
carrying out — doing or completing a task
descendant — a person who is related to someone from the past, for example a grandchild or great-grandchild