The spelling of "August Breithaupt" is fairly straightforward in English, but the use of IPA phonetic transcription can help clarify any potential confusion. The first name "August" is spelled with the voiced alveolar fricative /ɡ/ sound at the beginning, followed by the open mid back rounded vowel /ʌ/, the voiceless alveolar fricative /s/, and the voiceless alveolar plosive /t/. The last name "Breithaupt" is spelled with the voiced bilabial fricative /b/, the voiced alveolar approximant /r/, the long open-mid back rounded vowel /eɪ/, the voiceless glottal fricative /h/, the open-mid back rounded vowel /aʊ/, and the voiceless voiceless bilabial plosive /p/.
August Breithaupt is a proper noun that refers to a person's name and does not have a dictionary definition.