He may be able to dig up signs that ETs have been visiting us for thousands of years, but it seems he can't keep a theme park open:

Long ago, astronauts from outer space visited earth to lay the foundations for human civilisation, Erich von Daeniken says.

Now, the Swiss writer and businessman hopes for a visitor wealthy enough to save his Mystery Park theme park in Interlaken from financial collapse.

I'm just barely old enough to even know who this guy is. I'm sure blank looks will be had from several younger friends and relations who read this. Lord only knows what Olivia would make of it.