Dr. Crist ( age 102) works on soil improvement

[Guest guest]

For those of you who are interested in soil amending, go to

www.experienceworks.org, to read more about this fine scientist. I'm

sure there must be more about his important work elsewhere on the

internet.

Sheila

Quote from brief article:

Currently, Dr. Crist's area of research is bioremediation, a study

that uses biological materials such as algae to remove heavy metal

contaminants from the water and soil. His colleague, Dr. Guy Lanza,

credits him with laying the foundation of research in this field.

Dr. Crist developed an affinity for science during his early years

spent working on his parents' farm in Pennsylvania. About those

years, Dr. Crist says, " I was always interacting with plants and

animals and I became interested in the manner in which ordinary

things function. This interest then focused on the chemistry of

substances and how those reactions are an integral part of a living

system. "