A number of scientists with greatly different backgrounds can come up with completely different assessments. The discussions or controversies are endless. Once a year, we try to bring the most important discoverers together to exchange their experiences and knowledge.
Earlier, 100,000 elephants lived in Kenya and we didn't have any noteworthy problem with it. The problem that we have is not that there are now more elephants.
Elephants can live to an age of up to 70 or 80 years and they have a good memory. It could be they come across an area that is experiencing a drought. Then they continue on their path and run into people.
For fossils to thrive, certain favorable circumstances are required. First of all, of course, remnants of life have to be there. These then need to be washed over with water as soon as possible, so that the bones are covered with a layer of sediment.
I would hazard a guess that we have found fossilized human remains of at least a thousand different specimens in South and East Africa, more or less complete at that. I think this is where the prelude to human history was primarily played out.
One should not forget that there are very few surviving items from this period, often just single, small bones, a tooth, a sliver of the skull. Categorizing these pieces can be very difficult.
Sadly, I am not able to take part in the fieldwork myself so much anymore, as both of my legs were amputated following an airplane crash twelve years ago.
The problem is that during the 1980s, a decade of heavy poaching, the elephants retreated to safer areas. And now people have moved into the corridors once used by the elephants.
We are concerned that, in a few years time, this place of discovery, with its wealth of human fossils, the like of which can be found nowhere else in the world, could be completely destroyed.
We hope to find more pieces of the puzzle which will shed light on the connection between this upright, walking ape, our early ancestor, and modern man.
