If you like, you can measure the daily growth of the bacteria colonies by using a felt-tip marker to trace a circle around each colony on the bottom of the petri dish. After several days, you should have a collection of concentric rings on the bottom of each dish.
Alfred Adler was a physician, psychotherapist, and the founder of Adlerian psychology, sometimes called individual psychology. He is considered the first community psychologist, because his work pioneered attention to community life, prevention, and population health.
Satir, Virginia: Virginia Satir was a noted American author and psychotherapist, known especially for her approach to family therapy. Virginia Satir is referred to as The Mother of Family System Therapy. Skinner, B.F.: B. F. Skinner was one of the most influential of American psychologists. A behaviorist, he developed the theory of operant conditioning.