In what court case did the court summarize the process of determining whether an expert should be disqualified because of the previous contact with an opposing party
a. Tidemann v. Toshiba Corp
b. Wang Laboratories, Inc v. Toshiba Corpc
c. Tidemann v. Nadler Golf Car Sales, Inc
d. Hewlett-Pachard v. EMC Corp
Answer: b. Wang Laboratories, Inc v. Toshiba Corpc