Orwell, George
Although still relevant (as seen by the evoking of 1984) Orwell was limited in modern surveillance due to his over-reliance of surveillance as being sponsored by the state as opposed to non-state actors (Haggerty & Ericson 607).
References:
Haggerty, K.D., & Ericson, R.V. (2000). The Surveillant assemblage. British Journal of Sociology, 51(4), 605-622.