ɪn ˌɛni kˈeɪs, hiː wɛnt ˌɪntʊ ɹᵻtˈaɪɚmənt ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti fˈaɪv, ænd ɐ jˈɪɹ lˈeɪɾɚ hiː dˈaɪd, əvə hˈɑːɹt ɐtˈæk ɪn kˈɑːɹlsɹuːh.
In any case, he went into retirement in 1865, and a year later he died, of a heart attack in Karlsruhe.