The Chemistry of Autumn Colors

Trees and plants in full color demonstrating the chemistry of autumn colors

Here in Wisconsin, the leaves are starting to turn the characteristic reds, oranges and yellows of autumn. This is one of my favorite times of the year (not only because of Mother Nature’s impressive displays but also because we are nearing that magical time between the last lawn mowing and the first snow shoveling). This is the time of year that I try to take in as much color as I can before everything is covered in a blanket of white.

As I stroll around, enjoying the view, I think about the chemical changes within the leaves that cause such vibrant colors. I can’t help myself; I am a scientist.

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An Interview with Ed Himelblau, Scientist and Promega Cartoonist

Self portrait by Ed Himelblau

Many visitors to the Promega Web site enjoy the Cartoon Lab, the repository of the creative illustrations of Ed Himelblau updated several times a year. Recently, I had a chance to gain some insight about the man behind the cartoons.

Sara Klink: Could you give some background information about yourself?
Ed Himelblau: I was born in Chicago but grew up in San Diego. I went to UCSD [University of California at San Diego] and majored in biology and minored in art. I liked molecular biology and working in labs so I decided to go to grad school. I went to the University of Wisconsin at Madison to get a Ph.D. in the Cell and Molecular Biology program. My first academic job was teaching biology at Southampton College in New York. After several years on Long Island, I moved to my current job teaching and doing research in the Biological Sciences Department at Cal Poly [California Polytechnic State University] in San Luis Obispo, CA.

S.K.: Why did you decide to become a scientist?
E.H.: Playing in tidepools as a kid had something to do with it. As an undergraduate I thought working in a lab sounded cool. When I started working in a lab, I thought the work was interesting and the people were a lot of fun to be around. Then I started to appreciate what it really meant to do experiments and learn about how plants grow and develop.

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