Sandra Knapp Sandra Knapp is an internationally respected botanist and an expert in the taxonomy and phylogeny of the nightshade family. She took up her current post at the Natural History Museum in London as one of the editors of Flora Msoamerica, an international collaborative project to provide an integrated identification guide to the plants of Southern Mexico and Central America. She is the author of several books on botany and its history and is actively involved in improving the public understanding of science. Read More Read Less