A letter from... Prof. Dr. Michael John Gorman.  The founding director of BIOTOPIA - Naturkundemuseum Bayern is considering how we can meet the big questions of the 21st century.

Swiss biologist and environmentalist Claude Martin calls for a global strategy to reverse the fate of tropical rainforests. I don't remember ever meeting people who didn't care about the future of tropical rainforests. Whether scientists, entrepreneurs or politicians, everyone affirms how important this topic is.

A letter from ... Manfred Wittenstein, Chairman of the Supervisory Board of Wittenstein AG. He trusts that engineers will contribute to a better world. We're fine. We're fine. We here in Germany are fortunate to be born in a region that is not struck by natural disasters that threaten its very existence, where wars do not destroy entire villages and cities, where almost everyone has a roof over their heads and gets enough to eat. How do we deal with this gift of happiness? Shall we defend it with power against all those who were less fortunate? Or can we find opportunities that benefit everyone? It is still a dream today, but I am very much convinced that we can achieve prosperity worth living for all.

Prof. Dr. h. c. mult. Reinhold Würth, the entrepreneur, art patron and chairman of the Supervisory Board of the Würth Group, is convinced that art increases motivation within the company. I've built up a global trading company for assembly materials and tools with 65,000 employees and a turnover of ten billion euros. Since our foundation by my father in 1945, we have recorded average annual growth rates of 22 percent. That makes me a little proud. But also humble. I could never have done it alone - it was the highly qualified employees who played a key role in shaping our success.