The Marc Steiner Show airs five days a week, from noon to 2 p.m., and features a different guest or topic in each hour. Guests and topics are subject to change. WJHU can be heard at 88.1 FM. Scheduled for this week: Monday, Feb. 5 ----------------------------------------------------------------- Noon--The guest is Ray Bradbury, author of Fahrenheit 451 and The Martian Chronicles. 1 p.m.--Discussion on socially responsible business practices. Tuesday, Feb. 6 ----------------------------------------------------------------- Noon--A conversation with David Zinman, music director of the Baltimore Symphony. 1 p.m.--Holocaust survivor Blanca Rosenberg. Thursday, Feb. 8 ----------------------------------------------------------------- Noon--Dr. Barry Gordon discusses memory and forgetting. Friday, Feb. 9 ----------------------------------------------------------------- Noon--DeWayne Wickham, author of Thinking Black. 1 p.m.--Local news round-up. Black Radio: Telling It Like It Was will air every Friday in February, from 7:30 to 8:30 p.m. Through interviews, historical air checks, comedy, drama and music, Black Radio reveals the correlation between milestones of black-oriented radio programming and African American culture. Hosted by Lou Rawls. Friday, February 9 ----------------------------------------------------------------- 7:30 p.m.--Jack Cooper and Al Benson: Cooper's radio program, "The All-Negro Hour," made its debut in 1929 and was the first successful black broadcasting effort. 8 p.m.--WDIA: The Goodwill Station, the first station in the United States with an all-black on-air announcing staff, which included B.B. King and Rufus Thomas.