This photo caption of President Clinton and Dean Kaman MUST include explanation of Dean Kaman DEMONSTRATING to the President one of his several inventions - the IBOT, a wheelchair capable of “walking” up and down stairs or curbs.

Versions of this image can be found at: http://www.technology.gov/Medal/2000/p_Photos-Clinton.htm archive copy at the Wayback Machine

Based on this, I believe the following Licensing applies:

Este archivo es un trabajo de un empleado de la Oficina Ejecutiva del Presidente de los Estados Unidos, tomada o realizada durante el ejercicio del cargo de la persona. Como trabajo del Gobierno federal de los Estados Unidos, el archivo es de dominio público. italiano ∙ sicilianu ∙ Deutsch ∙ español ∙ português ∙ English ∙ français ∙ Nederlands ∙ galego ∙ slovenščina ∙ Tiếng Việt ∙ македонски ∙ русский ∙ മലയാളം ∙ ไทย ∙ 한국어 ∙ 日本語 ∙ 中文（简体）‎ ∙ 中文（繁體）‎ ∙ עברית ∙ العربية ∙ فارسی ∙ +/−

From the source website: http://www.technology.gov/Credits.htm archive copy at the Wayback Machine

COPYRIGHT STATUS:

Documents on this server are sponsored by the Technology Administration of the Department of Commerce along with private companies and organizations. Accordingly, the appropriate parties may retain all rights to publish or reproduce these documents, or allow others to do so. All documents available from this server may be protected under the U.S. and Foreign Copyright Laws. Permission to reproduce may be required.

Note: This photograph was taken by White House staff. As a product of the executive office, this image is in the public domain.

"I uploaded this file here, in order to be able to use it in German wikipedia, too"--MatinIGB

Este archivo, el cual fue publicado originalmente en White House photo, fue revisado el 6 June 2016 por el revisor Dyolf77, quien confirmó que en esa fecha estaba disponible bajo la licencia indicada.