S. Rosenthal is not a widely recognized name in the context of art history, and there may be several artists with that name or abbreviation of a name, none of whom have a well-documented historical presence. Without more specific information on the artist, such as a full name, the medium they worked in, the region they were associated with, or significant periods of their activity, it is difficult to provide a detailed biography.
However, assuming that the reference might be to an artist who is not well-documented in mainstream art historical texts or databases, one could speculate that S. Rosenthal might be a contemporary or local artist, whose work has yet to be widely recognized or studied in depth by art historians.
In such cases, the best approach would be to consult local art directories, exhibition records, or artist-led initiatives that might have more information on the artist in question. Additionally, reaching out to art galleries, museums, or academic institutions that focus on contemporary or regional art could provide further insights into the artist's career and contributions to the art world.
If S. Rosenthal is a contemporary artist, they may still be active in their practice, creating works, and participating in exhibitions. Contemporary artists often explore a wide range of mediums and themes, reflecting the diversity and dynamism of the current art world. They may also have an online presence, including a website or social media profiles, where they share their work and engage with audiences.
It is also possible that S. Rosenthal refers to an artist who is more historical but lesser-known, in which case local archives, historical societies, or specialized art history texts might hold more information on their life and work. In either scenario, without more specific details, it is challenging to provide a definitive biography for S. Rosenthal.