He settled in Carmel Valley, California in 1869 and developed the Berwick Manor and Orchard.

[5][6] Berwick sponsored the growing delivery business, United Parcel Service, and became the first president of the Postal Post League of California, fighting for parcel post and Postal Svings-Banks.

[6] He was a scholar who taught at the Carmelo School, which was Carmel Valley's first schoolhouse.

He was a writer, speaker and advocate of local sanitation and world peace.

[7] Berwick of Pacific Grove, died on January 28, 1934, in Monterey, California.