September 26 marks the 50th anniversary of the Rehabilitation Act of 1973, a groundbreaking civil rights law that requires equal opportunity for people with disabilities. It prohibits disability discrimination in programs conducted by federal agencies, programs receiving federal financial assistance, federal employment and federal contractors’ employment practices. It also requires accessibility of information and communication technology across federal agencies. Section 504 of the Rehabilitation Act (Section 504), which applies to federal agencies as well as programs receiving federal...