Again in 1862 he was offered a post at the Polytechnic in Brunswick but turned it down despite the offer coming from his wife's home town, as he did the offer from Vienna four years later.
Muli sa 1862 siya ay inaalok ng isang post sa politeknik sa Brunswick ngunit nabuksan ito pababa sa kabila ng alok mula sa kanyang asawa's home town, bilang siya ang nag-aalok ng apat na taon mula sa Vienna mamaya.