humboldt -- losing humboldt cost as the cosmos. must it cost us the planet as well.n the spirit of hope by end not with nature but with art. there again in humboldt -- i am sorry. there again in church's rainbow is humboldt's bridge arcing over the symbol of peace and newton's science. it was newton who on one of the mystery of the rainbow by showing its scientific cause in the prisons of raindrops. on both? hardly, answers church. carefully constructed according to the latest optical science at down to the canvas of the compass church's rainbow is yet stunningly beautiful. in the original painting it leaks off of the canvas and lights up the gallery. perceptual track, and optical illusion, rainbows are phenomena of presumption. they come into being only as part of a% to will triangle. light through pigment. or mind through body to the phenomenal, resurface which bespeaks its depths. the viewer of this painting rests at mid level not too high but just high enough. rain and light and chasm. the village and in the valley beyond. the passing travelers, leading pack mule

humboldt who? [laughter] and so part of my mission has been to, well, to explain something about humboldt who, how wonderful and important he was. so just a very, very quick thumbnail introduction to him here. joel also gave some useful information. i love this photograph because he looks so warm and approachable, and this was the man that i have heard described. he was, he was just exactly as warm and lively as he looks in this photo taken just a few months before his death in 1859 which was then a few months before the origin of species was published which was, would have been kind of a nice speculation to imagine had he read the origin of species. well, counterfactual history. anyway, he was worn in berlin -- born in berlin. some people know the humboldt name also through his brother born just a couple years earlier, the famous linguist, philosopher, founder of the university of berlin. alexander von humboldt is probably most famous for his american travels. 1799-1804. when i say american, we're