Colonial governors and senior civil servants are not easy people to argue with, and I was not popular because of my criticism of the colonial service in Kenya.

South Africa had a long record of studies in prehistory, going back to the end of the last century.

When my father arrived in Kenya, he had found the Kikuyu way of life similar to that of the British at the time the Romans invaded England 2,000 years ago.

Sometime during the many millions of years that have elapsed since mammalian faunas came into existence, some sort of island crossed from West Africa to South America.

Sometimes string figures were used to illustrate stories, as in the case of an Eskimo example that depicts a man catching a salmon. Sometimes they had magic or religious significance.

We set up the promised clinic for the sick and wounded Masai.

There is tragic evidence to show that the paintings at the French prehistoric art sites are deteriorating.