11.   Kenneth S. Halpern, a force for planning in New York City who helped design the South Street Seaport, died on Saturday at his home in Manhattan.

12.   Last winter every gardener with a home computer wanted a CD-ROM to help design or redesign their dream garden.

13.   Larry Ruff, a San Francisco-based energy consultant who helped design the Victoria deregulation plan, said that prices charged by the distribution companies will remain regulated.

14.   Lederman said that aerospace engineers helped design and develop the AbioCor by using newer microchips and software that were not available to researchers who developed earlier models.

15.   Ms. Meserand helped design what was considered the first modern radio newsroom.

16.   One of the most popular is Kentlands, in Gaithersburg near Baltimore, which Duany helped design.

17.   Poland invited Western economists and investment bankers to help design and execute its reform package.

18.   She helped design and decorate the center to create a soothing atmosphere, and to provide library space with computers and a lounge.

19.   Sierra On-Line, which already offers an interactive on-line service, will help design the interface for the new CUC site, Forbes said.

20.   Such debates put off some Bolt, Beranek alumni such as John McQuillan, who helped design switching programs for digital signals.