In this age of increasing specialization, it becomes clearer what we need to keep the overview over the achievements of the human race ! What is missing are people who are at home in many disciplines and who are able to strive for holistic solutions. Heiny Bertschi is a prime example of such a multi-talented inventor who even as a child got thinking about various issues, until reality agreed with him. Since 1959 Bertschi has made machines and instruments in Bruttisellen near Zurich. When he started to cooperate with Dutch shipyards and single handedly built steel and aluminium hulled yachts, his global talent had been recognized in specialists' circles.

• Diesel or petroleum board heater