A profile of Zach Frankel, a secretive and unusually hands-on solo investor who wrote the first checks to startups like Ramp, Cognition, and Applied Compute (Jemima McEvoy/The Information)

Jemima McEvoy / The Information:
A profile of Zach Frankel, a secretive and unusually hands-on solo investor who wrote the first checks to startups like Ramp, Cognition, and Applied Compute  —  Last month, Zach Dell, son of billionaire Michael Dell and cofounder of Base Power, a billion-dollar battery startup …