ENTREPRENEURS: Lox on a Floppy Disk, to Go

Lox on a Floppy Disk, to Go

! When Mitch Kapor, 36, the computer-software wunderkind, resigned as chairman of Lotus Development Corp. last year, he said he was leaving to "explore other endeavors." So what has the former disk jockey and transcendental- meditation instructor come up with for an encore? Opening a delicatessen only a matzoh ball's throw from Harvard Square in Cambridge, Mass. "I see it as a social service," says Brooklyn-born Kapor. "The deli is for anyone who complains about not being able to find a decent pastrami sandwich in Boston."

Kapor is not the only prominent pastrami lover in the new enterprise. Among his five...