But Mr. Loraditch said he was never warned by program supervisors to stay away from him.

From 2001-2005, he also served as program supervisor.

According to the program supervisors, one goal is to build the zoo into an animal care course.

As program supervisor, Holly Engberg said: "You have all of them here together, and they like it.

Another friend who commonly appears is a Kangaroo, who sometimes wears a mustache (in this case he is known as a "program supervisor").

After this he worked at the Institute for Juvenile research in Chicago, becoming program supervisor in anthropology and sociology.

"He was easygoing and quiet, he didn't seem nervous," recalled Clarence Office, a program supervisor at the shelter.

"These are students who are twice exceptional," said Dr. Lois Baldwin, program supervisor.

The program supervisor called in two outside cerebralists, and they had let him look and listen as they talked about him.

"Through art, play and talking, we can help kids understand their reactions to this event," said Janet Kahn-Scolaro, the center's program supervisor.